Print out the 8962 form and fill it out with the info from your 1095A the instructions are LONG! Lol but it is simple. Make sure to have a cover letter when you fax it but you HAVE to HAVE a letter from the IRS because it has a controll number on it that you will need to put on your fax cover sheet along with other info but you can get that form ready so you can respond the same day..
