Form 1099-SA - Distributions From an HSA, Archer MSA, or Medicare Advantage MSA. Use Form 1099-SA Copy C to print information for the payer's file copy. 1099-SA Forms are 3up on an 8 1/2 x 11" sheet with a 1/2" side perforation and are printed on 20# laser paper. Order by number of forms, not sheets.