Click "Search Records" on the black bar. To purchase Certified Copies online, you must first search for the Property Tax Map Number.All documents must be legible and signed with an original signature or be a certified true-attested copy. Be careful when you fill out your baby's full name and your mailing address. Correcting a birth certificate can cost money or even require a trip to court. If a birth occurred within the Town of Smithtown, a certified copy may be obtained from the Registrar located in the Town Clerk's Office. Your employer has to fill out section 2, not a notary. The county clerk will certify it and swear it to be true in writing that it is an original copy. Pay with an attorney's check, money order, bank certified check or bank cashier's check. Make your payments out to the Commonwealth of Massachusetts.