The Form 1095-A is used to reconcile Advance Premium Tax Credits (APTC) and to claim Premium Tax Credits (PTC) on your federal tax returns. Welcome to the Suffolk County Clerk's Office.At one time or another either directly or indirectly, every resident of Suffolk County deals with our office. For more information about how to fill out this form, read IRS Publication 974 and the instructions to IRS Form 8962. File IRS form 1095-A to get highest federal tax return. Learn what to do, how to file, why you got form, what to do if no 1095-A. The PDF version of these forms are FILLABLE. They can be filled out electronically, then printed.