Ohio Rev. Code § 511.235
The board of park commissioners of a township park district may enter into contracts with one or more townships, township police districts, joint police districts, municipal corporations, or county sheriffs of this state, with one or more park districts created pursuant to section 1545.01 of the Revised Code or other township park districts, or with a contiguous political subdivision of an adjoining state, and a township, township police district, joint police district board, municipal corporation, county sheriff, park district, or other township park district of this state may enter into a contract with a township park district upon any terms that are agreed to by them, to allow the use of the township park district law enforcement officers designated under section 511.232 of the Revised Code to perform any police function, exercise any police power, or render any police service in behalf of the contracting political subdivision that the subdivision may perform, exercise, or render.
Chapter 2744. of the Revised Code, insofar as it applies to the operation of police departments, shall apply to the contracting political subdivisions and to the members of their police force or law enforcement department when they are rendering service outside their own subdivisions pursuant to that contract.
Any members of the police force or law enforcement department acting pursuant to that contract outside the political subdivision in which they are employed shall be entitled to participate in any indemnity fund established by their employer to the same extent as while acting within the employing subdivision. Those members shall be entitled to all the rights and benefits of Chapter 4123. of the Revised Code, to the same extent as while performing service within the subdivision.
The contracts entered into pursuant to this section may provide for the following:
R.C. § 511.235