As an employer, you must record sums that are withheld from employee wages in a ledger account to clearly indicate the amount of state tax withheld. Log in to mySRPS to update your tax withholding.Click here for more information about mySRPS. You can call us at 800-492-5909 or 410-625-5555. Important: Are you a registered mySRPS user? Completing Form MW507M. If you meet all of the eligibility requirements for the exemption from withholding, fill out lines 1 through 3 of Part 1. I claim exemption from Maryland local tax because I live in a local Pennysylvania jurisdiction within York or Adams counties.