Distributions From an HSA, Archer MSA, Medicare Advantage MSA. Use Form 1099-SA Copy A to print and mail payment information to the IRS. 1099-SA Forms are 3up on an 8 1/2 x 11" sheet with a 1/2" side perforation and are printed with black ink on 20# laser paper. Mail in a batch to the IRS. es. Order by number of forms, not sheets.