Minn. Stat. § 148E.165
Subd. 1. Records retention; licensees.
For one year following the expiration date of a license, the licensee must maintain documentation of clock hours earned during the previous renewal term. The documentation must include the following:
(1) for educational workshops or seminars offered by an organization or at a conference, a copy of the certificate of attendance issued by the presenter or sponsor giving the following information:
(2) for academic coursework offered by an institution of higher learning, a copy of a transcript giving the following information:
(3) for staff training offered by public or private employers, a copy of the certificate of attendance issued by the employer giving the following information:
(4) for independent study, including electronic study, a written summary of the study conducted, including the following information:
Subd. 2. Audits.
The board may audit license renewal and reactivation applications to determine compliance with the requirements of sections 148E.130 to 148E.170. A licensee audited by the board must provide the documentation specified in subdivision 1 regardless of whether the provider or program has been approved by the board, the Association of Social Work Boards, or a similar examination body designated by the board, or the National Association of Social Workers.