diff --git a/packages/orchestration/src/exos/cosmos-orchestration-account.js b/packages/orchestration/src/exos/cosmos-orchestration-account.js
index fc24f954ec0b..f63b2ae27e51 100644
--- a/packages/orchestration/src/exos/cosmos-orchestration-account.js
+++ b/packages/orchestration/src/exos/cosmos-orchestration-account.js
@@ -17,7 +17,7 @@ import {
 } from '@agoric/cosmic-proto/cosmos/staking/v1beta1/tx.js';
 import { Any } from '@agoric/cosmic-proto/google/protobuf/any.js';
 import { MsgTransfer } from '@agoric/cosmic-proto/ibc/applications/transfer/v1/tx.js';
-import { makeTracer, NonNullish } from '@agoric/internal';
+import { makeTracer } from '@agoric/internal';
 import { Shape as NetworkShape } from '@agoric/network';
 import { M } from '@agoric/vat-data';
 import { VowShape } from '@agoric/vow';
@@ -31,7 +31,7 @@ import {
   DenomAmountShape,
   IBCTransferOptionsShape,
 } from '../typeGuards.js';
-import { coerceDenom } from '../utils/amounts.js';
+import { coerceCoin, coerceDenom } from '../utils/amounts.js';
 import { maxClockSkew, tryDecodeResponse } from '../utils/cosmos.js';
 import { orchestrationAccountMethods } from '../utils/orchestrationAccount.js';
 import { makeTimestampHelper } from '../utils/time.js';
@@ -215,17 +215,7 @@ export const prepareCosmosOrchestrationAccountKit = (
          * @returns {Coin}
          */
         amountToCoin(amount) {
-          const denom =
-            'denom' in amount
-              ? amount.denom
-              : NonNullish(
-                  chainHub.lookupDenom(amount.brand),
-                  `No denomination for brand ${amount.brand}`,
-                );
-          return harden({
-            denom,
-            amount: String(amount.value),
-          });
+          return coerceCoin(chainHub, amount);
         },
       },
       balanceQueryWatcher: {
diff --git a/packages/orchestration/src/exos/local-orchestration-account.js b/packages/orchestration/src/exos/local-orchestration-account.js
index c2f8a0d2c1a5..96d5621b5fd2 100644
--- a/packages/orchestration/src/exos/local-orchestration-account.js
+++ b/packages/orchestration/src/exos/local-orchestration-account.js
@@ -20,6 +20,7 @@ import { orchestrationAccountMethods } from '../utils/orchestrationAccount.js';
 import { makeTimestampHelper } from '../utils/time.js';
 import { preparePacketTools } from './packet-tools.js';
 import { prepareIBCTools } from './ibc-packet.js';
+import { coerceCoin, coerceDenomAmount } from '../utils/amounts.js';
 
 /**
  * @import {HostOf} from '@agoric/async-flow';
@@ -175,15 +176,7 @@ export const prepareLocalOrchestrationAccountKit = (
          * @returns {Coin}
          */
         amountToCoin(amount) {
-          if (!('denom' in amount)) {
-            // FIXME(#9211) look up values from brands
-            trace('TODO #9211: handle brand', amount);
-            throw Fail`Brands not currently supported.`;
-          }
-          return harden({
-            denom: amount.denom,
-            amount: String(amount.value),
-          });
+          return coerceCoin(chainHub, amount);
         },
       },
       invitationMakers: {
@@ -437,13 +430,10 @@ export const prepareLocalOrchestrationAccountKit = (
          * @param {Amount<'nat'>} ertpAmount
          */
         delegate(validatorAddress, ertpAmount) {
-          // TODO #9211 lookup denom from brand
-          const amount = {
-            amount: String(ertpAmount.value),
-            denom: 'ubld',
-          };
           const { account: lca } = this.state;
 
+          const amount = coerceCoin(chainHub, ertpAmount);
+
           return watch(
             E(lca).executeTx([
               typedJson('/cosmos.staking.v1beta1.MsgDelegate', {
@@ -462,11 +452,7 @@ export const prepareLocalOrchestrationAccountKit = (
          * @returns {Vow<void | TimestampRecord>}
          */
         undelegate(validatorAddress, ertpAmount) {
-          // TODO #9211 lookup denom from brand
-          const amount = {
-            amount: String(ertpAmount.value),
-            denom: 'ubld',
-          };
+          const amount = coerceCoin(chainHub, ertpAmount);
           const { account: lca } = this.state;
           return watch(
             E(lca).executeTx([
@@ -557,8 +543,6 @@ export const prepareLocalOrchestrationAccountKit = (
         transfer(amount, destination, opts) {
           return asVow(() => {
             trace('Transferring funds from LCA over IBC');
-            // TODO #9211 lookup denom from brand
-            if ('brand' in amount) throw Fail`ERTP Amounts not yet supported`;
 
             const connectionInfoV = watch(
               chainHub.getConnectionInfo(
@@ -580,7 +564,11 @@ export const prepareLocalOrchestrationAccountKit = (
             const resultV = watch(
               allVows([connectionInfoV, timeoutTimestampVowOrValue]),
               this.facets.transferWatcher,
-              { opts, amount, destination },
+              {
+                opts,
+                amount: coerceDenomAmount(chainHub, amount),
+                destination,
+              },
             );
             return resultV;
           });
diff --git a/packages/orchestration/test/exos/local-orchestration-account-kit.test.ts b/packages/orchestration/test/exos/local-orchestration-account-kit.test.ts
index 5930fe84ebff..54bc1ae4274a 100644
--- a/packages/orchestration/test/exos/local-orchestration-account-kit.test.ts
+++ b/packages/orchestration/test/exos/local-orchestration-account-kit.test.ts
@@ -2,20 +2,20 @@ import { test } from '@agoric/zoe/tools/prepare-test-env-ava.js';
 
 import { AmountMath } from '@agoric/ertp';
 import { eventLoopIteration } from '@agoric/internal/src/testing-utils.js';
-import { heapVowE as VE } from '@agoric/vow/vat.js';
 import { TargetApp } from '@agoric/vats/src/bridge-target.js';
 import { SIMULATED_ERRORS } from '@agoric/vats/tools/fake-bridge.js';
+import { heapVowE as VE } from '@agoric/vow/vat.js';
 import { ChainAddress, type AmountArg } from '../../src/orchestration-api.js';
+import { maxClockSkew } from '../../src/utils/cosmos.js';
 import { NANOSECONDS_PER_SECOND } from '../../src/utils/time.js';
-import { commonSetup } from '../supports.js';
+import { buildVTransferEvent } from '../../tools/ibc-mocks.js';
 import { UNBOND_PERIOD_SECONDS } from '../ibc-mocks.js';
-import { maxClockSkew } from '../../src/utils/cosmos.js';
+import { commonSetup } from '../supports.js';
 import { prepareMakeTestLOAKit } from './make-test-loa-kit.js';
-import { buildVTransferEvent } from '../../tools/ibc-mocks.js';
 
 test('deposit, withdraw', async t => {
   const common = await commonSetup(t);
-  const makeTestLOAKit = prepareMakeTestLOAKit(t, common.bootstrap);
+  const makeTestLOAKit = prepareMakeTestLOAKit(t, common);
   const account = await makeTestLOAKit();
 
   const {
@@ -27,8 +27,10 @@ test('deposit, withdraw', async t => {
 
   t.log('deposit 100 bld to account');
   await VE(account).deposit(oneHundredStakePmt);
-  // FIXME #9211
-  // t.deepEqual(await E(account).getBalance('ubld'), stake.units(100));
+  t.deepEqual(await VE(account).getBalance('ubld'), {
+    denom: 'ubld',
+    value: stake.units(100).value,
+  });
 
   // XXX races in the bridge
   await eventLoopIteration();
@@ -58,7 +60,7 @@ test('deposit, withdraw', async t => {
 
 test('delegate, undelegate', async t => {
   const common = await commonSetup(t);
-  const makeTestLOAKit = prepareMakeTestLOAKit(t, common.bootstrap);
+  const makeTestLOAKit = prepareMakeTestLOAKit(t, common);
   const account = await makeTestLOAKit();
 
   const {
@@ -94,7 +96,7 @@ test('delegate, undelegate', async t => {
 
 test('transfer', async t => {
   const common = await commonSetup(t);
-  const makeTestLOAKit = prepareMakeTestLOAKit(t, common.bootstrap);
+  const makeTestLOAKit = prepareMakeTestLOAKit(t, common);
   const account = await makeTestLOAKit();
 
   const { value: sender } = await VE(account).getAddress();
@@ -111,8 +113,10 @@ test('transfer', async t => {
 
   t.log('deposit 100 bld to account');
   await VE(account).deposit(oneHundredStakePmt);
-  // FIXME #9211
-  // t.deepEqual(await E(account).getBalance('ubld'), stake.units(100));
+  t.deepEqual(await VE(account).getBalance('ubld'), {
+    denom: 'ubld',
+    value: stake.units(100).value,
+  });
 
   const destination: ChainAddress = {
     chainId: 'cosmoshub-4',
@@ -144,12 +148,6 @@ test('transfer', async t => {
     return { transferP };
   };
 
-  // TODO #9211, support ERTP amounts
-  t.log('ERTP Amounts not yet supported for AmountArg');
-  await t.throwsAsync(() => VE(account).transfer(stake.units(1), destination), {
-    message: 'ERTP Amounts not yet supported',
-  });
-
   t.log('.transfer() 1 bld to cosmos using DenomAmount');
   const { transferP } = await startTransfer(
     { denom: 'ubld', value: 1_000_000n },
@@ -247,7 +245,7 @@ test('transfer', async t => {
 
 test('monitor transfers', async t => {
   const common = await commonSetup(t);
-  const makeTestLOAKit = prepareMakeTestLOAKit(t, common.bootstrap);
+  const makeTestLOAKit = prepareMakeTestLOAKit(t, common);
   const account = await makeTestLOAKit();
   const {
     mocks: { transferBridge },
@@ -290,15 +288,15 @@ test('monitor transfers', async t => {
 });
 
 test('send', async t => {
-  const {
-    bootstrap,
-    brands: { bld: stake, ist: stable },
-    utils: { pourPayment, inspectLocalBridge },
-  } = await commonSetup(t);
-  const makeTestLOAKit = prepareMakeTestLOAKit(t, bootstrap);
+  const common = await commonSetup(t);
+  const makeTestLOAKit = prepareMakeTestLOAKit(t, common);
   const account = await makeTestLOAKit();
   t.truthy(account, 'account is returned');
 
+  const {
+    brands: { bld: stake, ist: stable },
+    utils: { pourPayment, inspectLocalBridge },
+  } = common;
   const oneHundredStakePmt = await pourPayment(stake.units(100));
   const oneHundredStablePmt = await pourPayment(stable.units(100));
   t.log('deposit 100 bld to account');
@@ -313,10 +311,7 @@ test('send', async t => {
   };
 
   t.log(`send 10 bld to ${toAddress.value}`);
-  await t.throwsAsync(VE(account).send(toAddress, stake.units(10)), {
-    message: 'Brands not currently supported.',
-  });
-  await VE(account).send(toAddress, { denom: 'ubld', value: 10_000_000n });
+  await VE(account).send(toAddress, stake.units(10));
 
   // this would normally fail since we do not have ibc/1234 in our wallet,
   // but the mocked localchain bridge doesn't currently know about balances
diff --git a/packages/orchestration/test/exos/make-test-loa-kit.ts b/packages/orchestration/test/exos/make-test-loa-kit.ts
index 018aa638fd5e..239c5a461bc7 100644
--- a/packages/orchestration/test/exos/make-test-loa-kit.ts
+++ b/packages/orchestration/test/exos/make-test-loa-kit.ts
@@ -1,9 +1,13 @@
+/* eslint-disable jsdoc/require-param -- ts types */
+import { makeIssuerKit } from '@agoric/ertp';
 import { heapVowE as E } from '@agoric/vow/vat.js';
 import { prepareRecorderKitMakers } from '@agoric/zoe/src/contractSupport/recorder.js';
+import { withAmountUtils } from '@agoric/zoe/tools/test-utils.js';
 import { Far } from '@endo/far';
 import { ExecutionContext } from 'ava';
-import { prepareLocalOrchestrationAccountKit } from '../../src/exos/local-orchestration-account.js';
 import { makeChainHub } from '../../src/exos/chain-hub.js';
+import { prepareLocalOrchestrationAccountKit } from '../../src/exos/local-orchestration-account.js';
+import fetchedChainInfo from '../../src/fetched-chain-info.js';
 import { commonSetup } from '../supports.js';
 
 /**
@@ -13,15 +17,13 @@ import { commonSetup } from '../supports.js';
  *
  * Helps reduce boilerplate in test files, and retains testing context through
  * parameterized endowments.
- *
- * @param t
- * @param bootstrap
- * @param opts
- * @param opts.zcf
  */
 export const prepareMakeTestLOAKit = (
   t: ExecutionContext,
-  bootstrap: Awaited<ReturnType<typeof commonSetup>>['bootstrap'],
+  {
+    bootstrap,
+    brands,
+  }: Pick<Awaited<ReturnType<typeof commonSetup>>, 'bootstrap' | 'brands'>,
   { zcf = Far('MockZCF', {}) } = {},
 ) => {
   const { timer, localchain, marshaller, rootZone, vowTools, agoricNames } =
@@ -32,6 +34,7 @@ export const prepareMakeTestLOAKit = (
     marshaller,
   );
 
+  const chainHub = makeChainHub(agoricNames, vowTools);
   const makeLocalOrchestrationAccountKit = prepareLocalOrchestrationAccountKit(
     rootZone,
     makeRecorderKit,
@@ -39,9 +42,18 @@ export const prepareMakeTestLOAKit = (
     zcf,
     timer,
     vowTools,
-    makeChainHub(agoricNames, vowTools),
+    chainHub,
   );
 
+  const bld = withAmountUtils(makeIssuerKit('BLD'));
+  chainHub.registerChain('agoric', fetchedChainInfo.agoric);
+  chainHub.registerAsset('ubld', {
+    chainName: 'agoric',
+    baseName: 'agoric',
+    baseDenom: 'ubld',
+    brand: brands.bld.brand,
+  });
+
   return async ({
     storageNode = bootstrap.storage.rootNode.makeChildNode('accounts'),
   } = {}) => {
diff --git a/packages/orchestration/test/exos/portfolio-holder-kit.test.ts b/packages/orchestration/test/exos/portfolio-holder-kit.test.ts
index 5c215731212a..53255f27610d 100644
--- a/packages/orchestration/test/exos/portfolio-holder-kit.test.ts
+++ b/packages/orchestration/test/exos/portfolio-holder-kit.test.ts
@@ -7,8 +7,8 @@ import { prepareMakeTestLOAKit } from './make-test-loa-kit.js';
 import { prepareMakeTestCOAKit } from './make-test-coa-kit.js';
 
 test('portfolio holder kit behaviors', async t => {
-  const { bootstrap } = await commonSetup(t);
-  const { rootZone, storage, vowTools } = bootstrap;
+  const common = await commonSetup(t);
+  const { rootZone, storage, vowTools } = common.bootstrap;
   const storageNode = storage.rootNode.makeChildNode('accounts');
 
   /**
@@ -23,8 +23,10 @@ test('portfolio holder kit behaviors', async t => {
     },
   });
 
-  const makeTestCOAKit = prepareMakeTestCOAKit(t, bootstrap, { zcf: mockZcf });
-  const makeTestLOAKit = prepareMakeTestLOAKit(t, bootstrap, { zcf: mockZcf });
+  const makeTestCOAKit = prepareMakeTestCOAKit(t, common.bootstrap, {
+    zcf: mockZcf,
+  });
+  const makeTestLOAKit = prepareMakeTestLOAKit(t, common, { zcf: mockZcf });
   const makeCosmosAccount = async ({
     chainId,
     hostConnectionId,