Home Maryland Taxes Maryland's Money Comptroller of Maryland Media Services Online Services Search
CPB Home

Help Topics
Information needed for Sign Up
Security and privacy of information
Type of web browser needed to use the POSC application
POSC Overview
FAQs for Electronic W-2 consent
General Help
POSC Start Page

As a matter of SECURITY, All users will be REQUIRED to change their Password every 4 months.

  • First time users, please read the (Help Topics) listed in the left menu.

  • For concerns not addressed in a specific (Help Topic) use General Help

  • A link for Feedback / Suggestions will be provided after successful logon

  • For assistance with POSC, please email POSCHELP@marylandtaxes.gov.

  • If you have forgotten your LogonID or Password please use the Recover LogonID /  Reset Forgotten Password process.

Sign Up First time using the POSC?

Use this process to create a LogonID and Password.
Logon Access the POSC using your LogonID and Password.

©2024 Comptroller of Maryland. All rights reserved.
Privacy Policy | Give us your feedback