Due to Tropical Storm ISAIAS and a Water Main Break, the Credit Union will be CLOSED on Wednesday, August 5th, 2020.


Responding to the Coronavirus (COVID-19) Outbreak

In response to the rapidly evolving events surrounding COVID-19 (also called novel coronavirus), we would like to assure you that Your Local Bank - Premier Source Federal Credit Union (PSFCU) is taking precautionary measures to ensure our Members and Staff are protected while we continue in assisting Members with their financial needs.  More Information

Online, Mobile Banking and the 24hr Hotline Telephone Banking System are available 365/24/7. 

Medallion Signature Guarantee

A Medallion Signature Guarantee is a guarantee by Premier Source Federal Credit Union that the signature is genuine. A Medallion Signature Guarantee can protect shareholders by preventing unauthorized transfers and possible investor losses. You may need a Medallion Signature Guarantee if you’re selling, redeeming or transferring your securities such as stock or mutual funds.

Medallion Signature Guarantee services can be found at our 232 North Main Street, East Longmeadow, MA branch.

Please call 413.525.2002 to schedule an in-branch appointment.


Medallion Signature Guarantee Requirements


  • Each person requiring their signature to be guaranteed must be a member of Premier Source Federal Credit Union.
  • There must be an ongoing (established member in good standing) relationship between the Member and the credit union in order to perform a signature guarantee.
  • Account must be in good standing.
  • 2 forms of ID
    • Primary:  Driver's License, Passport, Permanent Resident Card-Green Card
    • Secondary:  Current Credit Card Bill - showing current address, Social Security Card, Employee ID with picture and signature
  • Proof of securities ownership (All owners should be present)
    • Statement
    • Actual stock certificate
  • Proof of Value
    • Premier Source Federal Credit Union is limited to guarantee signatures for $100,000 in value
  • Verification of legal right to sign (Original or Certified copy)
    • Death Certificate with court issued Executor appointment
    • Trust Agreements
    • Corporate Resolution
    • Power of Attorney
    • Additional documentation may be required
    • Guardianship over Estate with court appointment


Click to Download: Medallion Stamp Customer Checklist