Official Comptroller of Maryland Website

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

Marylandtaxes.gov
Comptroller of Maryland
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

MESSAGE FROM THE DEPARTMENT OF BUDGET & MANAGEMENT
NEW for 2026 - Health deductions will now occur on 26 pays per year rather than the previous 24. The health rates have been adjusted to reflect this change.


  • 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 [email protected].

  • 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.
© 2026. Comptroller of Maryland. All Rights Reserved.
Contact Us | Your Rights | Accessibility
TX1EXTAPP1