Large employers, as well as small employers with self-insured medical plans, are required to furnish employees with a Form 1095 (1095-C for large employers; 1095-B for small employers with self-insured plans. Usually, this must be done by January 31 for prior year coverage. However, the IRS has extended the due date for furnishing the 2017 Form 1095-B and the 2017 Form 1095-C, from January 31, 2018, to March 2, 2018.