diff --git a/cips/cip-031.md b/cips/cip-031.md
index e223b5d8..6b776229 100644
--- a/cips/cip-031.md
+++ b/cips/cip-031.md
@@ -157,6 +157,10 @@ When upgrading to v4 we propose introducing a migration that will set the Parame
 
 The continuous and delayed vesting account types will be updated to implement CIP-31. Specifically, they will implement the `UpdateSchedule` function so that the original vesting amount can account for staking rewards. The periodic and permanent account types will not support CIP-31. They will be disallowed from being created.
 
+Accounts are able to set a withdraw address that differs from their own address. Since rewards need to adhere to the original vesting schedule, the withdraw address for vesting accounts must be the same as the delegator address. This is to ensure that the rewards are locked up in the same account. Vesting accounts that have different withdraw addresses will have their withdraw address ignored. This means that the original vesting account will be used as the withdraw address.
+
+Alongside the above change, we will also be preventing the setting of different withdraw addresses for vesting accounts in the message server. 
+
 ## Test Cases
 
 The implementation should include test cases covering: