NASA
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:
nssc-contactcenter@nasa.gov

NASA Shared Service Center
Customer Contact Center
Web: http://www.nssc.nasa.gov/contactus
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.

Cutoff Dates for FY 2023:

• October 2022 - October 26, 2022, last day to draw for this month.
• November 2022 - November 25, 2022, last day to draw for this month.
• December 2022 – December 23, 2022, last day to draw for this month.
• January 2023 – January 26, 2023, last day to draw for this month.
• February 2023 - February 23, 2023, last day to draw for this month.
• March 2023 – March 24, 2023, last day to draw for this month.
• April 2023 – April 25, 2023, last day to draw for this month.
• May 2023 – May 25, 2023 last day to draw for this month.
• June 2023 – June 26, 2023, last day to draw for this month.
• July 2023 – July 26, 2023, last day to draw for this month.
• August 2023 – August 25, 2023 last day to draw for this month.
• September 2023 – September 26, 2023, last day to draw for this month.