Minn. Stat. § 67A.01
Subd. 1. Number of members.
It shall be lawful for any number of persons, not less than 25, residing in adjoining counties in this state, who shall collectively own property worth at least $50,000, to form themselves into a corporation for mutual insurance against loss or damage by the perils listed in section 67A.13.
Subd. 2. Authorized territory.
(a) A township mutual fire insurance company may be authorized to write business in up to nine adjoining counties in the aggregate at the same time. If policyholder surplus is at least $500,000 as reported in the company's last annual financial statement filed with the commissioner, the company may, if approval has been granted by the commissioner, be authorized to write business in ten or more counties in the aggregate at the same time, subject to a maximum of 30 adjoining counties, in accordance with the following schedule:
| Number of Counties | Surplus Requirement | |
| 10 | $500,000 | |
| 11 | 600,000 | |
| 12 | 700,000 | |
| 13 | 800,000 | |
| 14 | 900,000 | |
| 15 | 1,000,000 | |
| 16 | 1,100,000 | |
| 17 | 1,200,000 | |
| 18 | 1,300,000 | |
| 19 | 1,400,000 | |
| 20 | 1,500,000 | |
| 21 | 1,600,000 | |
| 22 | 1,700,000 | |
| 23 | 1,800,000 | |
| 24 | 1,900,000 | |
| 25 | 2,000,000 | |
| 26 | 2,100,000 | |
| 27 | 2,200,000 | |
| 28 | 2,300,000 | |
| 29 | 2,400,000 | |
| 30 | 2,500,000 |
(c) Notwithstanding paragraph (b), a policy issued by a constituent company to the merger may remain effective, without respect to the policy being issued in a county outside the territory of the surviving company, until the policy:
(2) is terminated or annulled and canceled in accordance with section 67A.18.
The surviving company must not amend or renew a policy issued in a county outside the surviving company's territory.
(g) If a surviving company of a merger writes in more than 20 counties, that company must report to the commissioner the following items on a quarterly basis: