No person shall be appointed a veterans service officer under sections 197.60 to 197.606 without the following qualifications:
- (1) residence in the state of Minnesota;
- (2) citizenship in the United States;
- (3) veteran as defined in section 197.447;
- (4) education and training for the duties of veterans service officer;
- (5) knowledge of the law and the regulations and rulings of the United States Veterans Administration applicable to cases before it and the administration thereof.