"Whether the taxpayer is an individual or employer, [the Taxpayer Advocate Service has] several tools available to assist in estimating credits and payments related to the ACA. Keep in mind that they only provide estimates, rather than accurate calculations, to use as a guide in making decisions regarding the taxpayer's tax situation.... Tools for Individuals: The Premium Tax Credit (PTC) Change Estimator ... Individual Shared Responsibility Provision (ISRP) -- Payment Estimator ... Tools for Employers: Employer Shared Responsibility Provision (ESRP) Estimator ... Small Business Health Care Tax Credit (SBHCTC) Estimator."  MORE >>