diff --git a/engine/model_helpers_test.go b/engine/model_helpers_test.go
index 183ac5032..684a51399 100644
--- a/engine/model_helpers_test.go
+++ b/engine/model_helpers_test.go
@@ -1557,7 +1557,7 @@ func TestModelAsTPAttribute2(t *testing.T) {
 			Tenant:    "cgrates.org",
 			ID:        "ALS1",
 			Contexts:  "con1",
-			FilterIDs: "FLTR_ACNT_dan;FLTR_DST_DE;*ai:~*req.AnswerTime:2014-07-14T14:35:00Z;2014-07-14T14:36:00Z",
+			FilterIDs: "FLTR_ACNT_dan;FLTR_DST_DE;*ai:~*req.AnswerTime:2014-07-14T14:35:00Z|2014-07-14T14:36:00Z",
 			Path:      utils.MetaReq + utils.NestingSep + "FL1",
 			Value:     "Al1",
 			Weight:    20,
@@ -1568,7 +1568,7 @@ func TestModelAsTPAttribute2(t *testing.T) {
 		Tenant:    "cgrates.org",
 		ID:        "ALS1",
 		Contexts:  []string{"con1"},
-		FilterIDs: []string{"*ai:~*req.AnswerTime:2014-07-14T14:35:00Z;2014-07-14T14:36:00Z", "FLTR_ACNT_dan", "FLTR_DST_DE"},
+		FilterIDs: []string{"*ai:~*req.AnswerTime:2014-07-14T14:35:00Z|2014-07-14T14:36:00Z", "FLTR_ACNT_dan", "FLTR_DST_DE"},
 		Attributes: []*utils.TPAttribute{
 			{
 				FilterIDs: []string{},
diff --git a/engine/z_attributes_test.go b/engine/z_attributes_test.go
index f4caa4bf6..a687ca855 100644
--- a/engine/z_attributes_test.go
+++ b/engine/z_attributes_test.go
@@ -485,7 +485,7 @@ func TestAttributeProcessWithMultipleRuns1(t *testing.T) {
 		Tenant:    config.CgrConfig().GeneralCfg().DefaultTenant,
 		ID:        "ATTR_1",
 		Contexts:  []string{utils.MetaSessionS},
-		FilterIDs: []string{"*string:~*req.InitialField:InitialValue", "*ai:~*req.AnswerTime:2014-07-14T14:25:00Z"},
+		FilterIDs: []string{"*string:~*req.InitialField:InitialValue", "*ai:*now:2014-07-14T14:25:00Z"},
 		Attributes: []*Attribute{
 			{
 				Path:  utils.MetaReq + utils.NestingSep + "Field1",
@@ -498,7 +498,7 @@ func TestAttributeProcessWithMultipleRuns1(t *testing.T) {
 		Tenant:    config.CgrConfig().GeneralCfg().DefaultTenant,
 		ID:        "ATTR_2",
 		Contexts:  []string{utils.MetaSessionS},
-		FilterIDs: []string{"*string:~*req.Field1:Value1", "*ai:~*req.AnswerTime:2014-07-14T14:25:00Z"},
+		FilterIDs: []string{"*string:~*req.Field1:Value1", "*ai:*now:2014-07-14T14:25:00Z"},
 		Attributes: []*Attribute{
 			{
 				Path:  utils.MetaReq + utils.NestingSep + "Field2",
@@ -511,7 +511,7 @@ func TestAttributeProcessWithMultipleRuns1(t *testing.T) {
 		Tenant:    config.CgrConfig().GeneralCfg().DefaultTenant,
 		ID:        "ATTR_3",
 		Contexts:  []string{utils.MetaSessionS},
-		FilterIDs: []string{"*string:~*req.Field2:Value2", "*ai:~*req.AnswerTime:2014-07-14T14:25:00Z"},
+		FilterIDs: []string{"*string:~*req.Field2:Value2", "*ai:*now:2014-07-14T14:25:00Z"},
 		Attributes: []*Attribute{
 			{
 				Path:  utils.MetaReq + utils.NestingSep + "Field3",
@@ -589,7 +589,7 @@ func TestAttributeProcessWithMultipleRuns2(t *testing.T) {
 		Tenant:    config.CgrConfig().GeneralCfg().DefaultTenant,
 		ID:        "ATTR_1",
 		Contexts:  []string{utils.MetaSessionS},
-		FilterIDs: []string{"*string:~*req.InitialField:InitialValue", "*ai:~*req.AnswerTime:2014-07-14T14:25:00Z"},
+		FilterIDs: []string{"*string:~*req.InitialField:InitialValue", "*ai:*now:2014-07-14T14:25:00Z"},
 		Attributes: []*Attribute{
 			{
 				Path:  utils.MetaReq + utils.NestingSep + "Field1",
@@ -602,7 +602,7 @@ func TestAttributeProcessWithMultipleRuns2(t *testing.T) {
 		Tenant:    config.CgrConfig().GeneralCfg().DefaultTenant,
 		ID:        "ATTR_2",
 		Contexts:  []string{utils.MetaSessionS},
-		FilterIDs: []string{"*string:~*req.Field1:Value1", "*ai:~*req.AnswerTime:2014-07-14T14:25:00Z"},
+		FilterIDs: []string{"*string:~*req.Field1:Value1", "*ai:*now:2014-07-14T14:25:00Z"},
 		Attributes: []*Attribute{
 			{
 				Path:  utils.MetaReq + utils.NestingSep + "Field2",
@@ -615,7 +615,7 @@ func TestAttributeProcessWithMultipleRuns2(t *testing.T) {
 		Tenant:    config.CgrConfig().GeneralCfg().DefaultTenant,
 		ID:        "ATTR_3",
 		Contexts:  []string{utils.MetaSessionS},
-		FilterIDs: []string{"*string:~*req.NotFound:NotFound", "*ai:~*req.AnswerTime:2014-07-14T14:25:00Z"},
+		FilterIDs: []string{"*string:~*req.NotFound:NotFound", "*ai:*now:2014-07-14T14:25:00Z"},
 		Attributes: []*Attribute{
 			{
 				Path:  utils.MetaReq + utils.NestingSep + "Field3",
@@ -689,7 +689,7 @@ func TestAttributeProcessWithMultipleRuns3(t *testing.T) {
 		Tenant:    config.CgrConfig().GeneralCfg().DefaultTenant,
 		ID:        "ATTR_1",
 		Contexts:  []string{utils.MetaSessionS},
-		FilterIDs: []string{"*string:~*req.InitialField:InitialValue", "*ai:~*req.AnswerTime:2014-07-14T14:25:00Z"},
+		FilterIDs: []string{"*string:~*req.InitialField:InitialValue", "*ai:*now:2014-07-14T14:25:00Z"},
 		Attributes: []*Attribute{
 			{
 				Path:  utils.MetaReq + utils.NestingSep + "Field1",
@@ -702,7 +702,7 @@ func TestAttributeProcessWithMultipleRuns3(t *testing.T) {
 		Tenant:    config.CgrConfig().GeneralCfg().DefaultTenant,
 		ID:        "ATTR_2",
 		Contexts:  []string{utils.MetaSessionS},
-		FilterIDs: []string{"*string:~*req.Field1:Value1", "*ai:~*req.AnswerTime:2014-07-14T14:25:00Z"},
+		FilterIDs: []string{"*string:~*req.Field1:Value1", "*ai:*now:2014-07-14T14:25:00Z"},
 		Attributes: []*Attribute{
 			{
 				Path:  utils.MetaReq + utils.NestingSep + "Field2",
@@ -715,7 +715,7 @@ func TestAttributeProcessWithMultipleRuns3(t *testing.T) {
 		Tenant:    config.CgrConfig().GeneralCfg().DefaultTenant,
 		ID:        "ATTR_3",
 		Contexts:  []string{utils.MetaSessionS},
-		FilterIDs: []string{"*string:~*req.Field2:Value2", "*ai:~*req.AnswerTime:2014-07-14T14:25:00Z"},
+		FilterIDs: []string{"*string:~*req.Field2:Value2", "*ai:*now:2014-07-14T14:25:00Z"},
 		Attributes: []*Attribute{
 			{
 				Path:  utils.MetaReq + utils.NestingSep + "Field3",
@@ -789,7 +789,7 @@ func TestAttributeProcessWithMultipleRuns4(t *testing.T) {
 		Tenant:    config.CgrConfig().GeneralCfg().DefaultTenant,
 		ID:        "ATTR_1",
 		Contexts:  []string{utils.MetaSessionS},
-		FilterIDs: []string{"*string:~*req.InitialField:InitialValue", "*ai:~*req.AnswerTime:2014-07-14T14:25:00Z"},
+		FilterIDs: []string{"*string:~*req.InitialField:InitialValue", "*ai:*now:2014-07-14T14:25:00Z"},
 		Attributes: []*Attribute{
 			{
 				Path:  utils.MetaReq + utils.NestingSep + "Field1",
@@ -802,7 +802,7 @@ func TestAttributeProcessWithMultipleRuns4(t *testing.T) {
 		Tenant:    config.CgrConfig().GeneralCfg().DefaultTenant,
 		ID:        "ATTR_2",
 		Contexts:  []string{utils.MetaSessionS},
-		FilterIDs: []string{"*string:~*req.Field1:Value1", "*ai:~*req.AnswerTime:2014-07-14T14:25:00Z"},
+		FilterIDs: []string{"*string:~*req.Field1:Value1", "*ai:*now:2014-07-14T14:25:00Z"},
 		Attributes: []*Attribute{
 			{
 				Path:  utils.MetaReq + utils.NestingSep + "Field2",
@@ -875,7 +875,7 @@ func TestAttributeMultipleProcessWithBlocker(t *testing.T) {
 		Tenant:    config.CgrConfig().GeneralCfg().DefaultTenant,
 		ID:        "ATTR_1",
 		Contexts:  []string{utils.MetaSessionS},
-		FilterIDs: []string{"*string:~*req.InitialField:InitialValue", "*ai:~*req.AnswerTime:2014-07-14T14:25:00Z"},
+		FilterIDs: []string{"*string:~*req.InitialField:InitialValue", "*ai:*now:2014-07-14T14:25:00Z"},
 		Attributes: []*Attribute{
 			{
 				Path:  utils.MetaReq + utils.NestingSep + "Field1",
@@ -888,7 +888,7 @@ func TestAttributeMultipleProcessWithBlocker(t *testing.T) {
 		Tenant:    config.CgrConfig().GeneralCfg().DefaultTenant,
 		ID:        "ATTR_2",
 		Contexts:  []string{utils.MetaSessionS},
-		FilterIDs: []string{"*string:~*req.Field1:Value1", "*ai:~*req.AnswerTime:2014-07-14T14:25:00Z"},
+		FilterIDs: []string{"*string:~*req.Field1:Value1", "*ai:*now:2014-07-14T14:25:00Z"},
 		Attributes: []*Attribute{
 			{
 				Path:  utils.MetaReq + utils.NestingSep + "Field2",
@@ -902,7 +902,7 @@ func TestAttributeMultipleProcessWithBlocker(t *testing.T) {
 		Tenant:    config.CgrConfig().GeneralCfg().DefaultTenant,
 		ID:        "ATTR_3",
 		Contexts:  []string{utils.MetaSessionS},
-		FilterIDs: []string{"*string:~*req.Field2:Value2", "*ai:~*req.AnswerTime:2014-07-14T14:25:00Z"},
+		FilterIDs: []string{"*string:~*req.Field2:Value2", "*ai:*now:2014-07-14T14:25:00Z"},
 		Attributes: []*Attribute{
 			{
 				Path:  utils.MetaReq + utils.NestingSep + "Field3",
@@ -977,7 +977,7 @@ func TestAttributeMultipleProcessWithBlocker2(t *testing.T) {
 		Tenant:    config.CgrConfig().GeneralCfg().DefaultTenant,
 		ID:        "ATTR_1",
 		Contexts:  []string{utils.MetaSessionS},
-		FilterIDs: []string{"*string:~*req.InitialField:InitialValue", "*ai:~*req.AnswerTime:2014-07-14T14:25:00Z"},
+		FilterIDs: []string{"*string:~*req.InitialField:InitialValue", "*ai:*now:2014-07-14T14:25:00Z"},
 		Attributes: []*Attribute{
 			{
 				Path:  utils.MetaReq + utils.NestingSep + "Field1",
@@ -991,7 +991,7 @@ func TestAttributeMultipleProcessWithBlocker2(t *testing.T) {
 		Tenant:    config.CgrConfig().GeneralCfg().DefaultTenant,
 		ID:        "ATTR_2",
 		Contexts:  []string{utils.MetaSessionS},
-		FilterIDs: []string{"*string:~*req.Field1:Value1", "*ai:~*req.AnswerTime:2014-07-14T14:25:00Z"},
+		FilterIDs: []string{"*string:~*req.Field1:Value1", "*ai:*now:2014-07-14T14:25:00Z"},
 		Attributes: []*Attribute{
 			{
 				Path:  utils.MetaReq + utils.NestingSep + "Field2",
@@ -1004,7 +1004,7 @@ func TestAttributeMultipleProcessWithBlocker2(t *testing.T) {
 		Tenant:    config.CgrConfig().GeneralCfg().DefaultTenant,
 		ID:        "ATTR_3",
 		Contexts:  []string{utils.MetaSessionS},
-		FilterIDs: []string{"*string:~*req.Field2:Value2", "*ai:~*req.AnswerTime:2014-07-14T14:25:00Z"},
+		FilterIDs: []string{"*string:~*req.Field2:Value2", "*ai:*now:2014-07-14T14:25:00Z"},
 		Attributes: []*Attribute{
 			{
 				Path:  utils.MetaReq + utils.NestingSep + "Field3",
@@ -1076,7 +1076,7 @@ func TestAttributeProcessValue(t *testing.T) {
 		Tenant:    config.CgrConfig().GeneralCfg().DefaultTenant,
 		ID:        "ATTR_1",
 		Contexts:  []string{utils.MetaSessionS},
-		FilterIDs: []string{"*string:~*req.Field1:Value1", "*ai:~*req.AnswerTime:2014-07-14T14:25:00Z"},
+		FilterIDs: []string{"*string:~*req.Field1:Value1", "*ai:*now:2014-07-14T14:25:00Z"},
 		Attributes: []*Attribute{
 			{
 				Path:  utils.MetaReq + utils.NestingSep + "Field2",
@@ -1221,7 +1221,7 @@ func TestAttributeProcessEventConstant(t *testing.T) {
 		Tenant:    config.CgrConfig().GeneralCfg().DefaultTenant,
 		ID:        "ATTR_1",
 		Contexts:  []string{utils.MetaSessionS},
-		FilterIDs: []string{"*string:~*req.Field1:Value1", "*ai:~*req.AnswerTime:2014-07-14T14:25:00Z"},
+		FilterIDs: []string{"*string:~*req.Field1:Value1", "*ai:*now:2014-07-14T14:25:00Z"},
 		Attributes: []*Attribute{
 			{
 				Path:  utils.MetaReq + utils.NestingSep + "Field2",
@@ -1289,7 +1289,7 @@ func TestAttributeProcessEventVariable(t *testing.T) {
 		Tenant:    config.CgrConfig().GeneralCfg().DefaultTenant,
 		ID:        "ATTR_1",
 		Contexts:  []string{utils.MetaSessionS},
-		FilterIDs: []string{"*string:~*req.Field1:Value1", "*ai:~*req.AnswerTime:2014-07-14T14:25:00Z"},
+		FilterIDs: []string{"*string:~*req.Field1:Value1", "*ai:*now:2014-07-14T14:25:00Z"},
 		Attributes: []*Attribute{
 			{
 				Path:  utils.MetaReq + utils.NestingSep + "Field2",
@@ -1364,7 +1364,7 @@ func TestAttributeProcessEventComposed(t *testing.T) {
 		Tenant:    config.CgrConfig().GeneralCfg().DefaultTenant,
 		ID:        "ATTR_1",
 		Contexts:  []string{utils.MetaSessionS},
-		FilterIDs: []string{"*string:~*req.Field1:Value1", "*ai:~*req.AnswerTime:2014-07-14T14:25:00Z"},
+		FilterIDs: []string{"*string:~*req.Field1:Value1", "*ai:*now:2014-07-14T14:25:00Z"},
 		Attributes: []*Attribute{
 			{
 				Path:  utils.MetaReq + utils.NestingSep + "Field2",
@@ -1444,7 +1444,7 @@ func TestAttributeProcessEventSum(t *testing.T) {
 		Tenant:    config.CgrConfig().GeneralCfg().DefaultTenant,
 		ID:        "ATTR_1",
 		Contexts:  []string{utils.MetaSessionS},
-		FilterIDs: []string{"*string:~*req.Field1:Value1", "*ai:~*req.AnswerTime:2014-07-14T14:25:00Z"},
+		FilterIDs: []string{"*string:~*req.Field1:Value1", "*ai:*now:2014-07-14T14:25:00Z"},
 		Attributes: []*Attribute{
 			{
 				Path:  utils.MetaReq + utils.NestingSep + "Field2",
@@ -1516,7 +1516,7 @@ func TestAttributeProcessEventUsageDifference(t *testing.T) {
 		Tenant:    config.CgrConfig().GeneralCfg().DefaultTenant,
 		ID:        "ATTR_1",
 		Contexts:  []string{utils.MetaSessionS},
-		FilterIDs: []string{"*string:~*req.Field1:Value1", "*ai:~*req.AnswerTime:2014-07-14T14:25:00Z"},
+		FilterIDs: []string{"*string:~*req.Field1:Value1", "*ai:*now:2014-07-14T14:25:00Z"},
 		Attributes: []*Attribute{
 			{
 				Path:  utils.MetaReq + utils.NestingSep + "Field2",
@@ -1590,7 +1590,7 @@ func TestAttributeProcessEventValueExponent(t *testing.T) {
 		Tenant:    config.CgrConfig().GeneralCfg().DefaultTenant,
 		ID:        "ATTR_1",
 		Contexts:  []string{utils.MetaSessionS},
-		FilterIDs: []string{"*string:~*req.Field1:Value1", "*ai:~*req.AnswerTime:2014-07-14T14:25:00Z"},
+		FilterIDs: []string{"*string:~*req.Field1:Value1", "*ai:*now:2014-07-14T14:25:00Z"},
 		Attributes: []*Attribute{
 			{
 				Path:  utils.MetaReq + utils.NestingSep + "Field2",
@@ -1669,7 +1669,7 @@ func BenchmarkAttributeProcessEventConstant(b *testing.B) {
 		Tenant:    config.CgrConfig().GeneralCfg().DefaultTenant,
 		ID:        "ATTR_1",
 		Contexts:  []string{utils.MetaSessionS},
-		FilterIDs: []string{"*string:~*req.Field1:Value1", "*ai:~*req.AnswerTime:2014-07-14T14:25:00Z"},
+		FilterIDs: []string{"*string:~*req.Field1:Value1", "*ai:*now:2014-07-14T14:25:00Z"},
 		Attributes: []*Attribute{
 			{
 				Path:  utils.MetaReq + utils.NestingSep + "Field2",
@@ -1725,7 +1725,7 @@ func BenchmarkAttributeProcessEventVariable(b *testing.B) {
 		Tenant:    config.CgrConfig().GeneralCfg().DefaultTenant,
 		ID:        "ATTR_1",
 		Contexts:  []string{utils.MetaSessionS},
-		FilterIDs: []string{"*string:~*req.Field1:Value1", "*ai:~*req.AnswerTime:2014-07-14T14:25:00Z"},
+		FilterIDs: []string{"*string:~*req.Field1:Value1", "*ai:*now:2014-07-14T14:25:00Z"},
 		Attributes: []*Attribute{
 			{
 				Path:  utils.MetaReq + utils.NestingSep + "Field2",
@@ -2673,7 +2673,7 @@ func TestAttributeMultipleProcessWithFiltersExists(t *testing.T) {
 		Tenant:    config.CgrConfig().GeneralCfg().DefaultTenant,
 		ID:        "ATTR_1_EXISTS",
 		Contexts:  []string{utils.MetaSessionS},
-		FilterIDs: []string{"*exists:~*req.InitialField:", "*ai:~*req.AnswerTime:2014-07-14T14:25:00Z"},
+		FilterIDs: []string{"*exists:~*req.InitialField:", "*ai:*now:2014-07-14T14:25:00Z"},
 		Attributes: []*Attribute{
 			{
 				Path:  utils.MetaReq + utils.NestingSep + "Field1",
@@ -2686,7 +2686,7 @@ func TestAttributeMultipleProcessWithFiltersExists(t *testing.T) {
 		Tenant:    config.CgrConfig().GeneralCfg().DefaultTenant,
 		ID:        "ATTR_2_EXISTS",
 		Contexts:  []string{utils.MetaSessionS},
-		FilterIDs: []string{"*exists:~*req.Field1:", "*ai:~*req.AnswerTime:2014-07-14T14:25:00Z"},
+		FilterIDs: []string{"*exists:~*req.Field1:", "*ai:*now:2014-07-14T14:25:00Z"},
 		Attributes: []*Attribute{
 			{
 				Path:  utils.MetaReq + utils.NestingSep + "Field2",
@@ -2761,7 +2761,7 @@ func TestAttributeMultipleProcessWithFiltersNotEmpty(t *testing.T) {
 		Tenant:    config.CgrConfig().GeneralCfg().DefaultTenant,
 		ID:        "ATTR_1_NOTEMPTY",
 		Contexts:  []string{utils.MetaSessionS},
-		FilterIDs: []string{"*notempty:~*req.InitialField:", "*ai:~*req.AnswerTime:2014-07-14T14:25:00Z"},
+		FilterIDs: []string{"*notempty:~*req.InitialField:", "*ai:*now:2014-07-14T14:25:00Z"},
 		Attributes: []*Attribute{
 			{
 				Path:  utils.MetaReq + utils.NestingSep + "Field1",
@@ -2774,7 +2774,7 @@ func TestAttributeMultipleProcessWithFiltersNotEmpty(t *testing.T) {
 		Tenant:    config.CgrConfig().GeneralCfg().DefaultTenant,
 		ID:        "ATTR_2_NOTEMPTY",
 		Contexts:  []string{utils.MetaSessionS},
-		FilterIDs: []string{"*notempty:~*req.Field1:", "*ai:~*req.AnswerTime:2014-07-14T14:25:00Z"},
+		FilterIDs: []string{"*notempty:~*req.Field1:", "*ai:*now:2014-07-14T14:25:00Z"},
 		Attributes: []*Attribute{
 			{
 				Path:  utils.MetaReq + utils.NestingSep + "Field2",
diff --git a/loaders/loader_test.go b/loaders/loader_test.go
index 90ea59e2d..605083cb0 100644
--- a/loaders/loader_test.go
+++ b/loaders/loader_test.go
@@ -2871,40 +2871,6 @@ true
 	}
 }
 
-func TestLoaderAttributesAsStructErrConversion(t *testing.T) {
-	data := engine.NewInternalDB(nil, nil, true)
-	ldr := &Loader{
-		ldrID:         "TestLoaderAttributesAsStructErrConversion",
-		bufLoaderData: map[string][]LoaderData{},
-		dm:            engine.NewDataManager(data, config.CgrConfig().CacheCfg(), nil),
-		timezone:      "UTC",
-	}
-	ldr.dataTpls = map[string][]*config.FCTemplate{
-		utils.MetaAttributes: {
-			{Tag: "ActivationInterval",
-				Path:  "ActivationInterval",
-				Type:  utils.MetaComposed,
-				Value: config.NewRSRParsersMustCompile("~*req.0", utils.InfieldSep)},
-		},
-	}
-	attributeCsv := `
-#ActivationInterval
-* * * * * *
-`
-	rdr := io.NopCloser(strings.NewReader(attributeCsv))
-	csvRdr := csv.NewReader(rdr)
-	csvRdr.Comment = '#'
-	ldr.rdrs = map[string]map[string]*openedCSVFile{
-		utils.MetaAttributes: {
-			utils.AttributesCsv: &openedCSVFile{fileName: utils.AttributesCsv,
-				rdr: rdr, csvRdr: csvRdr}},
-	}
-	expectedErr := "Unsupported time format"
-	if err := ldr.processContent(utils.MetaAttributes, utils.EmptyString); err == nil || err.Error() != expectedErr {
-		t.Errorf("Expected %+v, received %+v", expectedErr, err)
-	}
-}
-
 func TestLoadResourcesAsStructErrType(t *testing.T) {
 	data := engine.NewInternalDB(nil, nil, true)
 	ldr := &Loader{
diff --git a/migrator/attributes.go b/migrator/attributes.go
index c9759e1cf..91334fea8 100644
--- a/migrator/attributes.go
+++ b/migrator/attributes.go
@@ -316,7 +316,7 @@ func (v2AttrPrf v2AttributeProfile) AsAttributeProfile() (attrPrf *v3AttributePr
 	for _, attr := range v2AttrPrf.Attributes {
 		filterIDs := make([]string, 0)
 		//append false translate to  if FieldName exist do stuff
-		if attr.Append == false {
+		if !attr.Append {
 			filterIDs = append(filterIDs, utils.MetaExists+utils.InInFieldSep+attr.FieldName+utils.InInFieldSep)
 		}
 		//Initial not *any translate to if value of fieldName = initial do stuff
@@ -396,11 +396,12 @@ func (v3AttrPrf v3AttributeProfile) AsAttributeProfile() (attrPrf *v4AttributePr
 
 func (v4AttrPrf v4AttributeProfile) AsAttributeProfile() (attrPrf *v6AttributeProfile, err error) {
 	attrPrf = &v6AttributeProfile{
-		Tenant:    v4AttrPrf.Tenant,
-		ID:        v4AttrPrf.ID,
-		Contexts:  v4AttrPrf.Contexts,
-		FilterIDs: v4AttrPrf.FilterIDs,
-		Weight:    v4AttrPrf.Weight,
+		Tenant:             v4AttrPrf.Tenant,
+		ID:                 v4AttrPrf.ID,
+		Contexts:           v4AttrPrf.Contexts,
+		FilterIDs:          v4AttrPrf.FilterIDs,
+		Weight:             v4AttrPrf.Weight,
+		ActivationInterval: v4AttrPrf.ActivationInterval,
 	}
 	for _, attr := range v4AttrPrf.Attributes { // ToDo:redo this
 		val := attr.Value.GetRule(utils.InfieldSep)
@@ -536,16 +537,17 @@ func (m *Migrator) migrateV6ToV7AttributeProfile(v5Attr *v6AttributeProfile) (_
 	}
 
 	if v5Attr.ActivationInterval != nil &&
-		(v5Attr.ActivationInterval.ActivationTime.IsZero() ||
-			v5Attr.ActivationInterval.ExpiryTime.IsZero()) {
+		(!v5Attr.ActivationInterval.ActivationTime.IsZero() ||
+			!v5Attr.ActivationInterval.ExpiryTime.IsZero()) {
 		fltr := "*ai:~*req.AnswerTime:"
-		if v5Attr.ActivationInterval.ActivationTime.IsZero() {
+		if !v5Attr.ActivationInterval.ActivationTime.IsZero() {
 			fltr += v5Attr.ActivationInterval.ActivationTime.Format(time.RFC3339)
 		}
-		fltr += ";"
-		if v5Attr.ActivationInterval.ExpiryTime.IsZero() {
+		fltr += "|"
+		if !v5Attr.ActivationInterval.ExpiryTime.IsZero() {
 			fltr += v5Attr.ActivationInterval.ExpiryTime.Format(time.RFC3339)
 		}
+		v7Attr.FilterIDs = append(v7Attr.FilterIDs, fltr)
 	}
 
 	return v7Attr, nil
diff --git a/migrator/attributes_test.go b/migrator/attributes_test.go
index e6937949f..7c173a4f9 100644
--- a/migrator/attributes_test.go
+++ b/migrator/attributes_test.go
@@ -233,14 +233,17 @@ func TestV4AttributeProfileAsAttributeProfile(t *testing.T) {
 		},
 		Weight: 20,
 	}
-	expTimeStr := cloneExpTime.Format("2006-01-02T15:04:05Z")
-	attrPrf := &engine.AttributeProfile{
+	attrPrf := &v6AttributeProfile{
 		Tenant:    "cgrates.org",
 		ID:        "attributeprofile1",
 		Contexts:  []string{utils.MetaSessionS},
-		FilterIDs: []string{"filter1", "*ai:~*req.AnswerTime:2014-07-14T14:25:00Z;" + expTimeStr},
-		Attributes: []*engine.Attribute{
-			&engine.Attribute{
+		FilterIDs: []string{"filter1"},
+		ActivationInterval: &utils.ActivationInterval{
+			ActivationTime: time.Date(2014, 7, 14, 14, 25, 0, 0, time.UTC),
+			ExpiryTime:     cloneExpTime,
+		},
+		Attributes: []*v6Attribute{
+			&v6Attribute{
 				Path:  utils.MetaReq + utils.NestingSep + "FL1",
 				Type:  utils.MetaVariable,
 				Value: config.NewRSRParsersMustCompile("~*req.Category:s/(.*)/${1}_UK_Mobile_Vodafone_GBRVF/", utils.InfieldSep),
@@ -421,13 +424,17 @@ func TestAsAttributeProfileV5(t *testing.T) {
 		Weight: 20,
 	}
 
-	eOut := &engine.AttributeProfile{
+	eOut := &v6AttributeProfile{
 		Tenant:    "cgrates.org",
 		ID:        "attributeprofile1",
 		Contexts:  []string{utils.MetaSessionS},
-		FilterIDs: []string{"filter1", "*ai:~*req.AnswerTime:2014-07-14T14:25:00Z;2014-04-18T14:26:00Z"},
-		Attributes: []*engine.Attribute{
-			&engine.Attribute{
+		FilterIDs: []string{"filter1"},
+		ActivationInterval: &utils.ActivationInterval{
+			ActivationTime: time.Date(2014, 7, 14, 14, 25, 0, 0, time.UTC),
+			ExpiryTime:     time.Date(2020, 4, 18, 14, 25, 0, 0, time.UTC),
+		},
+		Attributes: []*v6Attribute{
+			&v6Attribute{
 				FilterIDs: []string{"*string:FL1:In1"},
 				Path:      utils.MetaReq + utils.NestingSep + "FL1",
 				Type:      utils.MetaVariable,
@@ -495,3 +502,74 @@ func TestAsAttributeProfileV1To4(t *testing.T) {
 	}
 
 }
+
+func TestAttributesMigrateV6ToV7AttributeProfileNilPrf(t *testing.T) {
+	var v6AttrPrf *v6AttributeProfile
+	cfg := config.NewDefaultCGRConfig()
+	dataDB := engine.NewInternalDB(nil, nil, true)
+	dm := engine.NewDataManager(dataDB, cfg.CacheCfg(), nil)
+	m := &Migrator{
+		dmIN: newInternalMigrator(dm),
+	}
+
+	experr := utils.ErrNotImplemented
+	v7AttrPrf, err := m.migrateV6ToV7AttributeProfile(v6AttrPrf)
+
+	if err == nil || err != experr {
+		t.Fatalf("\nexpected: <%+v>, \nreceived: <%+v>", experr, err)
+	}
+
+	if v7AttrPrf != nil {
+		t.Errorf("\nexpected: <%+v>, \nreceived: <%+v>", nil, v7AttrPrf)
+	}
+}
+
+func TestAttributesMigrateV6ToV7AttributeProfile2(t *testing.T) {
+	v6Attr := &v6AttributeProfile{
+		Tenant:    "cgrates.org",
+		ID:        "ATTR_1001_SESSIONAUTH",
+		Contexts:  []string{utils.MetaSessionS},
+		FilterIDs: []string{"filter1"},
+		ActivationInterval: &utils.ActivationInterval{
+			ActivationTime: time.Date(2014, 7, 14, 14, 35, 0, 0, time.UTC),
+			ExpiryTime:     time.Date(2014, 7, 14, 14, 36, 0, 0, time.UTC),
+		},
+		Attributes: []*v6Attribute{
+			{
+				Path:  utils.MetaReq + utils.NestingSep + "FL1",
+				Type:  utils.MetaVariable,
+				Value: config.NewRSRParsersMustCompile("~*req.Category:s/(.*)/${1}_UK_Mobile_Vodafone_GBRVF/", utils.InfieldSep),
+			},
+		},
+		Weight: 20,
+	}
+	cfg := config.NewDefaultCGRConfig()
+	dataDB := engine.NewInternalDB(nil, nil, true)
+	dm := engine.NewDataManager(dataDB, cfg.CacheCfg(), nil)
+	m := &Migrator{
+		dmIN: newInternalMigrator(dm),
+	}
+
+	exp := &engine.AttributeProfile{
+		Tenant:    "cgrates.org",
+		ID:        "ATTR_1001_SESSIONAUTH",
+		Contexts:  []string{utils.MetaSessionS},
+		FilterIDs: []string{"filter1", "*ai:~*req.AnswerTime:2014-07-14T14:35:00Z|2014-07-14T14:36:00Z"},
+		Attributes: []*engine.Attribute{
+			{
+				Path:  utils.MetaReq + utils.NestingSep + "FL1",
+				Type:  utils.MetaVariable,
+				Value: config.NewRSRParsersMustCompile("~*req.Category:s/(.*)/${1}_UK_Mobile_Vodafone_GBRVF/", utils.InfieldSep),
+			},
+		},
+		Weight: 20,
+	}
+
+	v7Attr, err := m.migrateV6ToV7AttributeProfile(v6Attr)
+	if err != nil {
+		t.Fatalf("\nexpected: <%+v>, \nreceived: <%+v>", nil, err)
+	}
+	if !reflect.DeepEqual(v7Attr, exp) {
+		t.Errorf("\nexpected: <%+v>, \nreceived: <%+v>", utils.ToJSON(exp), utils.ToJSON(v7Attr))
+	}
+}