diff --git a/contracts/deploy/01-home-proxy.js b/contracts/deploy/01-home-proxy.js
index d98ec43..c2472d0 100644
--- a/contracts/deploy/01-home-proxy.js
+++ b/contracts/deploy/01-home-proxy.js
@@ -13,6 +13,8 @@ const paramsByChainId = {
     foreignChainId: 1,
   },
 };
+const metadata =
+  '{"tos":"ipfs://QmPmRkXFUmzP4rq2YfD3wNwL8bg3WDxkYuvTP9A9UZm9gJ/seer-markets-resolution-policy.pdf", "foreignProxy":true}';
 
 async function deployHomeProxy({ deployments, getNamedAccounts, getChainId, ethers, config }) {
   const { deploy } = deployments;
@@ -40,7 +42,7 @@ async function deployHomeProxy({ deployments, getNamedAccounts, getChainId, ethe
   const homeProxy = await deploy("RealitioHomeArbitrationProxy", {
     from: deployer,
     gas: 8000000,
-    args: [amb, foreignProxyAddress, foreignChainIdAsBytes32, realitio],
+    args: [amb, foreignProxyAddress, foreignChainIdAsBytes32, realitio, metadata],
   });
 
   console.log("Home Proxy:", homeProxy.address);
diff --git a/contracts/src/ArbitrationProxyInterfaces.sol b/contracts/src/ArbitrationProxyInterfaces.sol
index 81791a8..b691bfd 100644
--- a/contracts/src/ArbitrationProxyInterfaces.sol
+++ b/contracts/src/ArbitrationProxyInterfaces.sol
@@ -111,6 +111,13 @@ interface IHomeArbitrationProxy {
      * @param _answer The answer from the arbitrator.
      */
     function receiveArbitrationAnswer(bytes32 _questionID, bytes32 _answer) external;
+
+    /** @notice Provides a string of json-encoded metadata with the following properties:
+      - tos: A URI representing the location of a terms-of-service document for the arbitrator.
+      - template_hashes: An array of hashes of templates supported by the arbitrator. If you have a numerical ID for a template registered with Reality.eth, you can look up this hash by calling the Reality.eth template_hashes() function.
+     *  @dev Template_hashes won't be used by this home proxy. 
+     */
+    function metadata() external view returns (string calldata);
 }
 
 interface IForeignArbitrationProxy is IArbitrable, IEvidence {
diff --git a/contracts/src/RealitioHomeArbitrationProxy.sol b/contracts/src/RealitioHomeArbitrationProxy.sol
index 5456a97..580dcf2 100644
--- a/contracts/src/RealitioHomeArbitrationProxy.sol
+++ b/contracts/src/RealitioHomeArbitrationProxy.sol
@@ -32,7 +32,7 @@ contract RealitioHomeArbitrationProxy is IHomeArbitrationProxy {
     bytes32 public immutable foreignChainId;
 
     /// @dev Metadata for Realitio interface.
-    string public constant metadata = '{"foreignProxy":true}';
+    string public override metadata;
 
     enum Status {
         None,
@@ -67,17 +67,20 @@ contract RealitioHomeArbitrationProxy is IHomeArbitrationProxy {
      * @param _foreignProxy The address of the proxy.
      * @param _foreignChainId The ID of the chain where the foreign proxy is deployed.
      * @param _realitio Realitio contract address.
+     * @param _metadata Metadata for Realitio.
      */
     constructor(
         IAMB _amb,
         address _foreignProxy,
         bytes32 _foreignChainId,
-        RealitioInterface _realitio
+        RealitioInterface _realitio,
+        string memory _metadata
     ) {
         amb = _amb;
         foreignProxy = _foreignProxy;
         foreignChainId = _foreignChainId;
         realitio = _realitio;
+        metadata = _metadata;
     }
 
     /**
diff --git a/contracts/test/CrossChainArbitrationProxy.test.js b/contracts/test/CrossChainArbitrationProxy.test.js
index 11b01af..cc4a227 100644
--- a/contracts/test/CrossChainArbitrationProxy.test.js
+++ b/contracts/test/CrossChainArbitrationProxy.test.js
@@ -368,7 +368,7 @@ describe("Cross-Chain Arbitration", () => {
       termsOfService
     );
 
-    const homeProxy = await HomeProxy.deploy(amb.address, foreignProxyAddress, foreignChainId, realitio.address);
+    const homeProxy = await HomeProxy.deploy(amb.address, foreignProxyAddress, foreignChainId, realitio.address, termsOfService);
 
     return {
       amb,
diff --git a/contracts/test/ForeignProxyWithAppeals.js b/contracts/test/ForeignProxyWithAppeals.js
index db1feae..9bf143b 100644
--- a/contracts/test/ForeignProxyWithAppeals.js
+++ b/contracts/test/ForeignProxyWithAppeals.js
@@ -68,6 +68,7 @@ describe("Cross-chain arbitration with appeals", () => {
     expect(await foreignProxy.homeProxy()).to.equal(homeProxy.address);
     expect(await foreignProxy.homeChainId()).to.equal(homeChainId);
     expect(await foreignProxy.termsOfService()).to.equal(termsOfService);
+    expect(await homeProxy.metadata()).to.equal(termsOfService);
 
     // 0 - winner, 1 - loser, 2 - loserAppealPeriod.
     const multipliers = await foreignProxy.getMultipliers();
@@ -717,7 +718,7 @@ describe("Cross-chain arbitration with appeals", () => {
       loserAppealPeriodMultiplier
     );
 
-    const homeProxy = await HomeProxy.deploy(amb.address, foreignProxyAddress, foreignChainId, realitio.address);
+    const homeProxy = await HomeProxy.deploy(amb.address, foreignProxyAddress, foreignChainId, realitio.address, termsOfService);
 
     return {
       amb,