Ind. Code § 16-23-9-2

Sec. 2. The township board may, at the request of the township trustee, levy annually and cause to be collected as other taxes are collected a tax upon all of the taxable property within the township. The tax may not exceed six and sixty-seven hundredths cents ($0.0667) on each one hundred dollars ($100) of assessed valuation. The tax is for the use of the hospital in defraying the expenses of the hospital's maintenance and support, for providing necessary additions, and for the payment of mortgage indebtedness.