State law requires Hennepin County to retain contract documents pertaining to Prevailing Wage for six (6) years after the project is closed. This contracting guide is for providers who are contracting with or are interested in contracting with Hennepin.County Health and Human Services. File in person:​​ Go to the Civil Filing counter on the third floor of the C Tower in the Hennepin County Government Center in downtown Minneapolis. The Band Member Legal Services is an independent agency of the Mille Lacs Band of Ojibwe established to provide indigent services to Band members. ARTICLE 2- RECOGNITION. Most contracts don't provide for a cooling-off period, however.