The date of filing any claim for payment or reimbursement of the expenses of medical care and services not previously authorized shall be the postmark date of a formal claim, or the date of any preceding telephone call, telegram, or other communication constituting an informal claim.
Code of Federal Regulations
[39 FR 1844, Jan. 15, 1974. Redesignated at 61 FR 21966, May 13, 1996]