diff --git a/acceptance/openstack/identity/v3.0/agency_test.go b/acceptance/openstack/identity/v3.0/agency_test.go
new file mode 100644
index 000000000..a97528f44
--- /dev/null
+++ b/acceptance/openstack/identity/v3.0/agency_test.go
@@ -0,0 +1,41 @@
+package v3
+
+import (
+	"os"
+	"testing"
+
+	"github.com/opentelekomcloud/gophertelekomcloud/acceptance/clients"
+	"github.com/opentelekomcloud/gophertelekomcloud/openstack/identity/v3.0/agency"
+	th "github.com/opentelekomcloud/gophertelekomcloud/testhelper"
+)
+
+func TestAgencyAllProjectsLifecycle(t *testing.T) {
+	if os.Getenv("OS_TENANT_ADMIN") == "" {
+		t.Skip("Policy doesn't allow NewIdentityV3AdminClient() to be initialized.")
+	}
+
+	var agencyId, roleId string
+	if agencyId = os.Getenv("OS_AGENCY_ID"); agencyId == "" {
+		t.Skip("Agency id required to run this test")
+	}
+	if roleId = os.Getenv("OS_ROLE_ID"); roleId == "" {
+		t.Skip("Role id required to run this test")
+	}
+
+	client, err := clients.NewIdentityV30AdminClient()
+	th.AssertNoErr(t, err)
+
+	err = agency.GrantAgencyAllProjects(client, client.DomainID, agencyId, roleId)
+	th.AssertNoErr(t, err)
+
+	t.Cleanup(func() {
+		th.AssertNoErr(t, agency.RemoveAgencyAllProjects(client, client.DomainID, agencyId, roleId))
+	})
+
+	err = agency.CheckAgencyAllProjects(client, client.DomainID, agencyId, roleId)
+	th.AssertNoErr(t, err)
+
+	resp, err := agency.ListAgencyAllProjects(client, client.DomainID, agencyId)
+	th.AssertNoErr(t, err)
+	th.AssertEquals(t, true, len(resp.Roles) > 0)
+}
diff --git a/openstack/identity/v3.0/agency/CheckAgencyAllProjects.go b/openstack/identity/v3.0/agency/CheckAgencyAllProjects.go
new file mode 100644
index 000000000..75a2c3e80
--- /dev/null
+++ b/openstack/identity/v3.0/agency/CheckAgencyAllProjects.go
@@ -0,0 +1,9 @@
+package agency
+
+import golangsdk "github.com/opentelekomcloud/gophertelekomcloud"
+
+func CheckAgencyAllProjects(client *golangsdk.ServiceClient, domainId, agencyId, roleId string) (err error) {
+	// HEAD /v3.0/OS-INHERIT/domains/{domain_id}/agencies/{agency_id}/roles/{role_id}/inherited_to_projects
+	_, err = client.Head(client.ServiceURL("OS-INHERIT", "domains", domainId, "agencies", agencyId, "roles", roleId, "inherited_to_projects"), nil)
+	return err
+}
diff --git a/openstack/identity/v3.0/agency/GrantAgenctAllProjects.go b/openstack/identity/v3.0/agency/GrantAgenctAllProjects.go
new file mode 100644
index 000000000..a9d64ceef
--- /dev/null
+++ b/openstack/identity/v3.0/agency/GrantAgenctAllProjects.go
@@ -0,0 +1,14 @@
+package agency
+
+import (
+	golangsdk "github.com/opentelekomcloud/gophertelekomcloud"
+)
+
+func GrantAgencyAllProjects(client *golangsdk.ServiceClient, domainId, agencyId, roleId string) (err error) {
+	// PUT /v3.0/OS-INHERIT/domains/{domain_id}/agencies/{agency_id}/roles/{role_id}/inherited_to_projects
+	_, err = client.Put(client.ServiceURL("OS-INHERIT", "domains", domainId, "agencies", agencyId, "roles", roleId, "inherited_to_projects"), nil,
+		nil, &golangsdk.RequestOpts{
+			OkCodes: []int{204},
+		})
+	return err
+}
diff --git a/openstack/identity/v3.0/agency/ListAgencyAllProjects.go b/openstack/identity/v3.0/agency/ListAgencyAllProjects.go
new file mode 100644
index 000000000..3ec262878
--- /dev/null
+++ b/openstack/identity/v3.0/agency/ListAgencyAllProjects.go
@@ -0,0 +1,35 @@
+package agency
+
+import (
+	golangsdk "github.com/opentelekomcloud/gophertelekomcloud"
+	"github.com/opentelekomcloud/gophertelekomcloud/internal/extract"
+)
+
+func ListAgencyAllProjects(client *golangsdk.ServiceClient, domainId, agencyId string) (*Roles, error) {
+	// GET /v3.0/OS-INHERIT/domains/{domain_id}/agencies/{agency_id}/roles/inherited_to_projects
+	raw, err := client.Get(client.ServiceURL("OS-INHERIT", "domains", domainId, "agencies", agencyId, "roles", "inherited_to_projects"), nil,
+		nil)
+	if err != nil {
+		return nil, err
+	}
+
+	var res Roles
+
+	err = extract.Into(raw.Body, &res)
+	return &res, err
+}
+
+type Roles struct {
+	Roles []Role `json:"roles"`
+	Links Link   `json:"links"`
+}
+
+type Role struct {
+	Id    string `json:"id"`
+	Links Link   `json:"links"`
+	Name  string `json:"name"`
+}
+
+type Link struct {
+	Self string `json:"self"`
+}
diff --git a/openstack/identity/v3.0/agency/RemoveAgencyAllProjects.go b/openstack/identity/v3.0/agency/RemoveAgencyAllProjects.go
new file mode 100644
index 000000000..34198d8b4
--- /dev/null
+++ b/openstack/identity/v3.0/agency/RemoveAgencyAllProjects.go
@@ -0,0 +1,9 @@
+package agency
+
+import golangsdk "github.com/opentelekomcloud/gophertelekomcloud"
+
+func RemoveAgencyAllProjects(client *golangsdk.ServiceClient, domainId, agencyId, roleId string) (err error) {
+	// DELETE /v3.0/OS-INHERIT/domains/{domain_id}/agencies/{agency_id}/roles/{role_id}/inherited_to_projects
+	_, err = client.Delete(client.ServiceURL("OS-INHERIT", "domains", domainId, "agencies", agencyId, "roles", roleId, "inherited_to_projects"), nil)
+	return err
+}