diff --git a/packages/inter-protocol/src/price/fluxAggregator.contract.js b/packages/inter-protocol/src/price/fluxAggregator.contract.js
index 52a73a0132c3..e72c7b1aabd5 100644
--- a/packages/inter-protocol/src/price/fluxAggregator.contract.js
+++ b/packages/inter-protocol/src/price/fluxAggregator.contract.js
@@ -1,6 +1,8 @@
 import { AssetKind, makeIssuerKit } from '@agoric/ertp';
+import { handleParamGovernance } from '@agoric/governance';
 import { assertAllDefined } from '@agoric/internal';
 import { E } from '@endo/eventual-send';
+import { Far } from '@endo/marshal';
 import { provideFluxAggregator } from './fluxAggregator.js';
 
 /**
@@ -20,6 +22,7 @@ import { provideFluxAggregator } from './fluxAggregator.js';
  * unitAmountIn?: Amount<'nat'>,
  * }>} zcf
  * @param {{
+ * initialPoserInvitation: Invitation,
  * marshaller: Marshaller,
  * quoteMint?: ERef<Mint<'set'>>,
  * storageNode: ERef<StorageNode>,
@@ -40,8 +43,12 @@ export const start = async (zcf, privateArgs, baggage) => {
     mint: quoteMint,
   };
 
-  const { marshaller, storageNode: storageNodeP } = privateArgs;
-  assertAllDefined({ marshaller, storageNodeP });
+  const {
+    initialPoserInvitation,
+    marshaller,
+    storageNode: storageNodeP,
+  } = privateArgs;
+  assertAllDefined({ initialPoserInvitation, marshaller, storageNodeP });
 
   const timer = await timerP;
   const storageNode = await storageNodeP;
@@ -55,8 +62,24 @@ export const start = async (zcf, privateArgs, baggage) => {
     marshaller,
   );
 
+  const { makeGovernorFacet } = await handleParamGovernance(
+    // @ts-expect-error FIXME include Governance params
+    zcf,
+    initialPoserInvitation,
+    {
+      // No governed parameters. Governance just for API methods.
+    },
+    storageNode,
+    marshaller,
+  );
+
+  const governedApis = {
+    initOracle: fa.creatorFacet.initOracle,
+  };
+
+  const governorFacet = makeGovernorFacet(fa.creatorFacet, governedApis);
   return harden({
-    creatorFacet: fa.creatorFacet,
+    creatorFacet: governorFacet,
     publicFacet: fa.publicFacet,
   });
 };
diff --git a/packages/inter-protocol/test/test-priceAggregatorChainlink.js b/packages/inter-protocol/test/test-priceAggregatorChainlink.js
index 4be2e86d4482..312540bf5ab4 100644
--- a/packages/inter-protocol/test/test-priceAggregatorChainlink.js
+++ b/packages/inter-protocol/test/test-priceAggregatorChainlink.js
@@ -8,6 +8,7 @@ import bundleSource from '@endo/bundle-source';
 import { E } from '@endo/eventual-send';
 import { Far } from '@endo/marshal';
 import { makeIssuerKit, AssetKind } from '@agoric/ertp';
+import { setUpGovernedContract } from '@agoric/governance/tools/puppetGovernance.js';
 
 import {
   eventLoopIteration,
@@ -26,7 +27,11 @@ const test = unknownTest;
 const filename = new URL(import.meta.url).pathname;
 const dirname = path.dirname(filename);
 
-const aggregatorPath = `${dirname}/../src/price/fluxAggregator.contract.js`;
+// Pack the contracts.
+/** @type {EndoZipBase64Bundle} */
+const aggregatorBundle = await bundleSource(
+  `${dirname}/../src/price/fluxAggregator.contract.js`,
+);
 
 const defaultConfig = {
   maxSubmissionCount: 1000,
@@ -43,9 +48,6 @@ const makeContext = async () => {
   const { admin, vatAdminState } = makeFakeVatAdmin();
   const { zoeService: zoe } = makeZoeKit(admin);
 
-  // Pack the contracts.
-  const aggregatorBundle = await bundleSource(aggregatorPath);
-
   // Install the contract on Zoe, getting an installation. We can
   // use this installation to look up the code we installed. Outside
   // of tests, we can also send the installation to someone
@@ -58,6 +60,9 @@ const makeContext = async () => {
   const link = makeIssuerKit('$LINK', AssetKind.NAT);
   const usd = makeIssuerKit('$USD', AssetKind.NAT);
 
+  /**
+   * @param {Record<string, bigint | number>} config
+   */
   async function makeChainlinkAggregator(config) {
     const {
       maxSubmissionCount,
@@ -75,9 +80,10 @@ const makeContext = async () => {
 
     const timer = buildManualTimer(() => {});
 
-    const aggregator = await E(zoe).startInstance(
+    const { governorFacets } = await setUpGovernedContract(
+      zoe,
       aggregatorInstallation,
-      undefined,
+      timer,
       {
         timer,
         brandIn: link.brand,
@@ -88,13 +94,20 @@ const makeContext = async () => {
         timeout,
         minSubmissionValue,
         maxSubmissionValue,
+        governedApis: ['initOracle'],
       },
       {
         marshaller,
         storageNode: E(storageNode).makeChildNode('LINK-USD_price_feed'),
       },
     );
-    return { ...aggregator, mockStorageRoot };
+
+    return {
+      governor: governorFacets.creatorFacet,
+      public: governorFacets.publicFacet,
+      instance: governorFacets.instance,
+      mockStorageRoot,
+    };
   }
 
   return { makeChainlinkAggregator, zoe };
@@ -112,14 +125,20 @@ test('basic', async t => {
   // @ts-expect-error cast
   const { timer: oracleTimer } = await E(zoe).getTerms(aggregator.instance);
 
-  const pricePushAdminA = await E(aggregator.creatorFacet).initOracle(
-    'agorice1priceOracleA',
+  /** @type {import('../src/price/priceOracleAdmin.js').OracleAdmin} */
+  // @ts-expect-error cast
+  const pricePushAdminA = await E(
+    aggregator.governor.invokeAPI('initOracle', ['agorice1priceOracleA']),
   );
-  const pricePushAdminB = await E(aggregator.creatorFacet).initOracle(
-    'agorice1priceOracleB',
+  /** @type {import('../src/price/priceOracleAdmin.js').OracleAdmin} */
+  // @ts-expect-error cast
+  const pricePushAdminB = await E(
+    aggregator.governor.invokeAPI('initOracle', ['agorice1priceOracleB']),
   );
-  const pricePushAdminC = await E(aggregator.creatorFacet).initOracle(
-    'agorice1priceOracleC',
+  /** @type {import('../src/price/priceOracleAdmin.js').OracleAdmin} */
+  // @ts-expect-error cast
+  const pricePushAdminC = await E(
+    aggregator.governor.invokeAPI('initOracle', ['agorice1priceOracleC']),
   );
 
   // ----- round 1: basic consensus