24.69—Filing of claims.
        
        (a) Claims.
         All claims filed under this part for abatement, refund, credit, or remission of tax will be filed on TTB F 5620.8 (2635). Each claim filed under this part will:
    
    
    
    
    
        
        (b) Supporting documents.
         Forms, supporting statements, and any other documents required by this part to be submitted with a claim will be attached to the claim and be considered a part of the claim. The appropriate TTB officer may require the submission of additional evidence in support of any claim filed under this part. ( Sec. 201, Pub. L. 85-859, 72 Stat. 1381, as amended (26 U.S.C. 5064, 5370 ))
    
    (Approved by the Office of Management and Budget under control number 1512-0492)