Mich. Admin. Code R. 460.851
Rule 1. These rules apply to the conduct of the business of all natural gas producers, gathering companies and transmitters which are or may hereafter be subject to the jurisdiction of the Michigan public service commission under the laws of the state of Michigan: provided, that when the production of natural gas is incidental to, and unavoidable to connection with, the production of oil or mineral water, R 460.860, R 460.861, R 460.862, R 460.864, R 460.865, R 460.866, R 460.867, R 460.869, R 460.870, and R 460.871 shall not apply, but special rules and regulations pertaining in each such case will be issued by the Michigan public service commission whenever necessary. The grouping of rules under the headings of production and transmission is for convenience only and the application of any rule is not restricted because of this fact.
Mich. Admin. Code R. 460.851