Mandatory for FMS LOAs with NATO Commands or Agencies.

Mandatory for Amendments and Modifications on cases with NATO Commands or Agencies if not previously included on the case.

CWD

"All U.S. classified materiel or information (to include plans, designs, specifications, and technical data) provided under this Letter of Offer and Acceptance must be protected as NATO classified information of an equivalent classification level in accordance with the policy and procedures contained in NATO Document C-M(55)15 (Final), Security Within the North Atlantic Treaty Organization."