Michigan has enacted legislation effective June 11, 2014, and retroactive to April 1, 2014, stating that medical services provided by Medicaid managed care organizations are subject to Michigan use tax. Per the legislation, “medical services” means medical services provided only to Medicaid beneficiaries enrolled under Title XIX of the Social Security Act. (Act 161 (S.B. 893), Laws 2014, effective June 11, 2014, and retroactive April 1, 2014)