As to marine and transportation insurance, the entire amount of premiums on trip risks not terminated shall be deemed unearned and the commissioner may require the insurer to carry a reserve equal to 100% of premiums on trip risks written during the month ended as of the date of statement.
Unearned Premium Reserve For Marine And Transportation Insurance
Mont. Code Ann. § 33-2-513, under Assets and Liabilities -- Reserves.
Mont. Code Ann. § 33-2-513