Except as otherwise stated in sections 515A.1-101 to 515A.4-117 all notices required by sections 515A.1-101 to 515A.4-117 shall be in writing and shall be effective upon hand delivery or upon mailing if properly addressed with postage prepaid and deposited in the United States mail.
Minn. Stat. § 515A.1-115
1980 c 582 art 1 s 515.1-115