Michigan Compiled Laws, Chapter 211. Taxation of Real and Personal Property § 211.254

Sec. 4.POWER TO LEVY ADDITIONAL TAX RATE. The board of education of any school district for which the commission has found and ordered an additional tax rate as hereinbefore provided is hereby empowered to levy such additional tax rate upon the property of the district lying within the municipal corporation, such levy to be in addition to the regular tax rate which is permitted to be levied upon all of the property of such district, both that lying within such municipal corporation, and that lying outside thereof. Such additional rate shall be certified to the proper officers of the municipal corporation at the same time as the regular rate is certified, and such additional rate shall be assessed, levied, collected and returned in the same manner as the taxes of the municipal corporation are assessed, levied, collected and returned.