Payment Management System
Program Support Center

The information here is specific to NASA

Effective December 1, 2009, the NASA Shared Services Center (NSSC) was designated as the Finance Office for inquiries on all Letters of Credit. Department of Health and Human Services Payment Management System (PMS) will remain the designated billing office for all payments.

If you have any further questions, please contact the NSSC at 1-877-NSSC123 (1-877-677-2123) or by email at:

NASA Shared Service Center
Customer Contact Center
Fax: 1-866-779-6772

NASA has implemented an early cut-off for drawdowns each month. All NASA payment requests must be requested in the Payment Management System on the 26th* of each month by 4:30 p.m. US Eastern Time. If the 26th of the month falls on a Saturday, Sunday or federal holiday, payment requests must be made on the preceding workday. The Payment Management System will re-open for NASA drawdowns on the first business day of each month. For questions, please contact your NASA Center Point of Contact or your PMS Liaison Accountant.

*Note: there is an earlier cut-off for the month listed below:

  • November 2020 – November 24, 2020, last day to draw for this month.
  • February 2021 – February 24, 2021, last day to draw for this month.