This publication provides instructions for completing the CalPERS. Complete all fields for each beneficiary and specify the percentage or dollar amount.If you name more than one beneficiary and you want your beneficiaries. I will be your guide to walk you through the online service retirement application and all that it entails. • Not getting any income from work. Don't need to fill out the UBEN 1039 form, but you do need to send a signed letter to the UC Retirement Administration. PERS will mail additional forms necessary for completing the survivor retirement application after receipt of the completed Form 9A SRVR. Retirees. You will need to apply for the Old Age Security pension if: you get a letter from us asking you to apply; information in the letter we send you is incorrect. You can change your withholding at my.calpers.ca.