Form 1095-B is titled "Health Coverage," while Form 1095-C is called "Employer-Provided Health Insurance Offer and Coverage." Both are mandated by provisions of the Affordable Care Act (ACA), which requires "health insurance issuers, self-insuring employers, government agencies, and other providers of minimum essential coverage to file and furnish annual information returns and statements regarding coverage provided."
The details of the extension can be found in IRS Notice 2018-94.
Form 1095-B is titled "Health Coverage," while Form 1095-C is called "Employer-Provided Health Insurance Offer and Coverage." Both are mandated by provisions of the Affordable Care Act (ACA), which requires "health insurance issuers, self-insuring employers, government agencies, and other providers of minimum essential coverage to file and furnish annual information returns and statements regarding coverage provided."
The details of the extension can be found in IRS Notice 2018-94.