evidence from https://syfert.com/michigan/sections/449.1.html

Mich. Comp. Laws § 449.1: Uniform partnership act; short title. | Syfert Law: Instead, the focus is on whether individuals intended to jointly carry on a business for profit within the meaning of the Michigan Uniform Partnership Act, MCL 449.1 et seq., regardless of whether they subjectively intended to form a partnership.”