diff --git a/examples/integration-scripts/witness.test.ts b/examples/integration-scripts/witness.test.ts
index c5d45234..417012c1 100644
--- a/examples/integration-scripts/witness.test.ts
+++ b/examples/integration-scripts/witness.test.ts
@@ -31,10 +31,23 @@ test('test witness', async () => {
     await resolveOobi(client1, witnessUrls[0] + `/oobi/${WITNESS_AID}`, 'wit');
     console.log('Witness OOBI resolved');
 
+    // Create backer seal
+    const META_DATA = signify.Saider.saidify({
+        d: "",
+        ledger: "CARDANO_PREVIEW",
+    })[1];
+
+    const REGISTRAR_SEAL = {
+        d: META_DATA['d'],
+        bi: WITNESS_AID
+    }
+
     // Client 1 creates AID with 1 witness
     let icpResult1 = await client1.identifiers().create('aid1', {
         toad: 1,
         wits: [WITNESS_AID],
+        cnfg: ["RB"],
+        data: REGISTRAR_SEAL
     });
     await waitOperation(client1, await icpResult1.op());
     let aid1 = await client1.identifiers().get('aid1');
@@ -42,7 +55,9 @@ test('test witness', async () => {
     assert.equal(aid1.state.b.length, 1);
     assert.equal(aid1.state.b[0], WITNESS_AID);
 
-    icpResult1 = await client1.identifiers().rotate('aid1');
+    icpResult1 = await client1.identifiers().rotate('aid1', {
+        data: REGISTRAR_SEAL
+    });
     await waitOperation(client1, await icpResult1.op());
     aid1 = await client1.identifiers().get('aid1');
     assert.equal(aid1.state.b.length, 1);
@@ -51,7 +66,10 @@ test('test witness', async () => {
     // Remove witness
     icpResult1 = await client1
         .identifiers()
-        .rotate('aid1', { cuts: [WITNESS_AID] });
+        .rotate('aid1', {
+            cuts: [WITNESS_AID],
+            data: REGISTRAR_SEAL
+        });
     await waitOperation(client1, await icpResult1.op());
     aid1 = await client1.identifiers().get('aid1');
     assert.equal(aid1.state.b.length, 0);
@@ -60,7 +78,10 @@ test('test witness', async () => {
 
     icpResult1 = await client1
         .identifiers()
-        .rotate('aid1', { adds: [WITNESS_AID] });
+        .rotate('aid1', {
+            adds: [WITNESS_AID],
+            data: REGISTRAR_SEAL
+        });
 
     await waitOperation(client1, await icpResult1.op());
     aid1 = await client1.identifiers().get('aid1');
diff --git a/src/keri/app/aiding.ts b/src/keri/app/aiding.ts
index 8287db3a..a25f8b12 100644
--- a/src/keri/app/aiding.ts
+++ b/src/keri/app/aiding.ts
@@ -20,6 +20,7 @@ export interface CreateIdentiferArgs {
     delpre?: string;
     dcode?: string;
     data?: any;
+    cnfg?: any[];
     algo?: Algos;
     pre?: string;
     states?: any[];
@@ -44,7 +45,7 @@ export interface RotateIdentifierArgs {
     toad?: number;
     cuts?: string[];
     adds?: string[];
-    data?: Array<object>;
+    data?: any;
     ncode?: string;
     ncount?: number;
     ncodes?: string[];
@@ -163,6 +164,7 @@ export class Identifier {
         const proxy = kargs.proxy;
         const delpre = kargs.delpre;
         const data = kargs.data != undefined ? [kargs.data] : [];
+        const cnfg = kargs.cnfg != undefined ? kargs.cnfg : [];
         const pre = kargs.pre;
         const states = kargs.states;
         const rstates = kargs.rstates;
@@ -223,7 +225,7 @@ export class Identifier {
                 nsith: nsith,
                 toad: toad,
                 wits: wits,
-                cnfg: [],
+                cnfg: cnfg,
                 data: data,
                 version: Versionage,
                 kind: Serials.JSON,
@@ -238,7 +240,7 @@ export class Identifier {
                 nsith: nsith,
                 toad: toad,
                 wits: wits,
-                cnfg: [],
+                cnfg: cnfg,
                 data: data,
                 version: Versionage,
                 kind: Serials.JSON,
diff --git a/src/keri/app/habery.ts b/src/keri/app/habery.ts
index 3339a27b..12b769fe 100644
--- a/src/keri/app/habery.ts
+++ b/src/keri/app/habery.ts
@@ -10,6 +10,7 @@ export class TraitCodex {
     EstOnly: string = 'EO'; // Only allow establishment events
     DoNotDelegate: string = 'DND'; // Dot not allow delegated identifiers
     NoBackers: string = 'NB'; // Do not allow backers
+    RegistrarBackers: string = 'RB'; // Registrar backers
 }
 
 export const TraitDex = new TraitCodex();
diff --git a/src/keri/core/eventing.ts b/src/keri/core/eventing.ts
index 3130b159..3f832823 100644
--- a/src/keri/core/eventing.ts
+++ b/src/keri/core/eventing.ts
@@ -9,6 +9,7 @@ import {
     Version,
     Versionage,
 } from './core';
+import { TraitDex } from '../app/habery';
 import { Tholder } from './tholder';
 import { CesrNumber } from './number';
 import { Prefixer } from './prefixer';