diff --git a/acl/types.proto b/acl/types.proto
index 91e012f..2479ef8 100644
--- a/acl/types.proto
+++ b/acl/types.proto
@@ -3,6 +3,7 @@ package acl;
 option go_package = "github.com/nspcc-dev/neofs-api-go/acl";
 option csharp_namespace = "NeoFS.API.Acl";
 
+import "refs/types.proto";
 import "github.com/gogo/protobuf/gogoproto/gogo.proto";
 option (gogoproto.stable_marshaler_all) = true;
 
@@ -101,8 +102,8 @@ message EACLRecord {
 
 // EACLRecord carries the information about extended ACL rules.
 message EACLTable {
-    // ContainerID of the container that should use given access control rules.
-    bytes ContainerID           = 1 [json_name="ContainerID"];
+    // Carries identifier of the container that should use given access control rules.
+    refs.ContainerID ContainerID = 1 [json_name="ContainerID"];
     // Records carries list of extended ACL rule records.
     repeated EACLRecord Records = 2 [json_name="Records"];
 }
diff --git a/container/service.proto b/container/service.proto
index 1ad1a8d..28fdd3b 100644
--- a/container/service.proto
+++ b/container/service.proto
@@ -5,6 +5,7 @@ option csharp_namespace = "NeoFS.API.Container";
 
 import "acl/types.proto";
 import "container/types.proto";
+import "refs/types.proto";
 import "github.com/gogo/protobuf/gogoproto/gogo.proto";
 
 option (gogoproto.stable_marshaler_all) = true;
@@ -52,25 +53,25 @@ message PutRequest {
 }
 
 message PutResponse {
-    // ContainerID of the new container.
-    bytes ContainerID = 1;
+    // ContainerID carries identifier of the new container.
+    refs.ContainerID ContainerID = 1;
 }
 
 message DeleteRequest {
-    // ContainerID of container to delete from NeoFS.
-    bytes ContainerID = 1;
+    // ContainerID carries identifier of the container to delete from NeoFS.
+    refs.ContainerID ContainerID = 1;
     // Signature of container id according to RFC-6979.
     bytes Signature   = 2;
 }
 
 // DeleteResponse is empty because delete operation is asynchronous and done
 // via consensus in inner ring nodes
-message DeleteResponse { }
+message DeleteResponse {}
 
 
 message GetRequest {
-    // ContainerID of the container to get.
-    bytes ContainerID = 1;
+    // ContainerID carries identifier of the container to get.
+    refs.ContainerID ContainerID = 1;
 }
 
 message GetResponse {
@@ -84,8 +85,8 @@ message ListRequest {
 }
 
 message ListResponse {
-    // ContainerIDs of containers that belong to the owner.
-    repeated bytes ContainerIDs = 1;
+    // ContainerIDs carries list of identifiers of the containers that belong to the owner.
+    repeated refs.ContainerID ContainerIDs = 1;
 }
 
 message SetExtendedACLRequest {
@@ -98,8 +99,8 @@ message SetExtendedACLRequest {
 message SetExtendedACLResponse {}
 
 message GetExtendedACLRequest {
-    // ContainerID of the container that has Extended ACL.
-    bytes ContainerID = 1;
+    // ContainerID carries identifier of the container that has Extended ACL.
+    refs.ContainerID ContainerID = 1;
 }
 
 message GetExtendedACLResponse {
diff --git a/object/service.proto b/object/service.proto
index 9affad7..19b78a4 100644
--- a/object/service.proto
+++ b/object/service.proto
@@ -138,8 +138,8 @@ message HeadResponse {
 }
 
 message SearchRequest {
-    // ContainerID for searching the object
-    bytes ContainerID                        = 1 [(gogoproto.nullable) = false, (gogoproto.customtype) = "CID"];
+    // ContainerID carries search container identifier.
+    refs.ContainerID ContainerID = 1;
     // Query in the binary serialized format
     bytes Query                              = 2;
     // QueryVersion is a version of search query format
diff --git a/proto-docs/container.md b/proto-docs/container.md
index b0b539f..03f9436 100644
--- a/proto-docs/container.md
+++ b/proto-docs/container.md
@@ -120,7 +120,7 @@ smart-contract storage.
 
 | Field | Type | Label | Description |
 | ----- | ---- | ----- | ----------- |
-| ContainerID | [bytes](#bytes) |  | ContainerID of container to delete from NeoFS. |
+| ContainerID | [refs.ContainerID](#refs.ContainerID) |  | ContainerID carries identifier of the container to delete from NeoFS. |
 | Signature | [bytes](#bytes) |  | Signature of container id according to RFC-6979. |
 
 
@@ -140,7 +140,7 @@ via consensus in inner ring nodes
 
 | Field | Type | Label | Description |
 | ----- | ---- | ----- | ----------- |
-| ContainerID | [bytes](#bytes) |  | ContainerID of the container that has Extended ACL. |
+| ContainerID | [refs.ContainerID](#refs.ContainerID) |  | ContainerID carries identifier of the container that has Extended ACL. |
 
 
 <a name="container.GetExtendedACLResponse"></a>
@@ -163,7 +163,7 @@ via consensus in inner ring nodes
 
 | Field | Type | Label | Description |
 | ----- | ---- | ----- | ----------- |
-| ContainerID | [bytes](#bytes) |  | ContainerID of the container to get. |
+| ContainerID | [refs.ContainerID](#refs.ContainerID) |  | ContainerID carries identifier of the container to get. |
 
 
 <a name="container.GetResponse"></a>
@@ -196,7 +196,7 @@ via consensus in inner ring nodes
 
 | Field | Type | Label | Description |
 | ----- | ---- | ----- | ----------- |
-| ContainerIDs | [bytes](#bytes) | repeated | ContainerIDs of containers that belong to the owner. |
+| ContainerIDs | [refs.ContainerID](#refs.ContainerID) | repeated | ContainerIDs carries list of identifiers of the containers that belong to the owner. |
 
 
 <a name="container.PutRequest"></a>
@@ -220,7 +220,7 @@ via consensus in inner ring nodes
 
 | Field | Type | Label | Description |
 | ----- | ---- | ----- | ----------- |
-| ContainerID | [bytes](#bytes) |  | ContainerID of the new container. |
+| ContainerID | [refs.ContainerID](#refs.ContainerID) |  | ContainerID carries identifier of the new container. |
 
 
 <a name="container.SetExtendedACLRequest"></a>
diff --git a/proto-docs/object.md b/proto-docs/object.md
index 29d9955..03e60e2 100644
--- a/proto-docs/object.md
+++ b/proto-docs/object.md
@@ -327,7 +327,7 @@ in distributed system.
 
 | Field | Type | Label | Description |
 | ----- | ---- | ----- | ----------- |
-| ContainerID | [bytes](#bytes) |  | ContainerID for searching the object |
+| ContainerID | [refs.ContainerID](#refs.ContainerID) |  | ContainerID carries search container identifier. |
 | Query | [bytes](#bytes) |  | Query in the binary serialized format |
 | QueryVersion | [uint32](#uint32) |  | QueryVersion is a version of search query format |
 | Meta | [service.RequestMetaHeader](#service.RequestMetaHeader) |  | RequestMetaHeader contains information about request meta headers (should be embedded into message) |
diff --git a/proto-docs/refs.md b/proto-docs/refs.md
index 06470a2..fce3da2 100644
--- a/proto-docs/refs.md
+++ b/proto-docs/refs.md
@@ -33,7 +33,7 @@ Address of object (container id + object id)
 | Field | Type | Label | Description |
 | ----- | ---- | ----- | ----------- |
 | ObjectID | [ObjectID](#refs.ObjectID) |  | ObjectID carries object identifier. |
-| CID | [bytes](#bytes) |  | CID is container identifier |
+| ContainerID | [ContainerID](#refs.ContainerID) |  | ContainerID carries container identifier. |
 
 
 <a name="refs.ContainerID"></a>
diff --git a/refs/types.proto b/refs/types.proto
index 3f5c11a..f952c5a 100644
--- a/refs/types.proto
+++ b/refs/types.proto
@@ -14,8 +14,8 @@ option (gogoproto.goproto_stringer_all) = false;
 message Address {
     // ObjectID carries object identifier.
     ObjectID ObjectID = 1;
-    // CID is container identifier
-    bytes CID      = 2[(gogoproto.customtype) = "CID",      (gogoproto.nullable) = false];
+    // ContainerID carries container identifier.
+    ContainerID ContainerID = 2;
 }
 
 // ObjectID groups information about the NeoFS object identifier.