How do I make contribution changes? To enroll in the King County Employees Deferred Compensation Plan, go to rps.trowprice.Com or scan the QR Code. Org and go to Participating in the SFDCP > Forms to download and complete a. Here's an overview of how to fill out a 457 retirement plan application for New York State. Enjoy! Experience your San Francisco Deferred Compensation Plan (SFDCP) online today. How to register online and log into your account.