20 CFR §404.1362

1. (a)Before we receive notice from the Veterans Administration. If we certify your monthly benefit or a lump-sum death payment as determined under the deemed insured status provisions in § 404.1350 before we receive notice from the Veterans Administration that a pension or compensation is payable to you, our payments to you are erroneous only to the extent that they exceed the amount of the accrued pension of compensation payable.
2. (b)After we receive notice from the Veterans Administration. If we certify your monthly benefit or lump-sum death payment as determined under the deemed insured status provisions in § 404.1350 after we receive notice from the Veterans Administration that a pension or compensation is payable to you, our payments to you are erroneous whether or not they exceed the amount of the accrued pension or compensation payable.