Minn. Stat. § 645.43: EFFECT OF REPEAL ON LIMITATIONS.

When a limitation or period of time, prescribed in any law for acquiring a right or barring a remedy, or for any other purpose, has begun to run before a law repealing such law takes effect, and the same or any other limitation is prescribed by any other law passed at the same session of the legislature, the time which has already run shall be deemed a part of the time prescribed as such limitation in such law passed at the same session of the legislature.