Rates charged and collected, including compensation for work under contract, shall be deposited in a fund separate and distinct from any and all other city funds, to be designated "Rubbish Disposal Fund", which shall be a continuing fund to which shall be credited all receipts, and to which shall be charged all costs, principal or current, incident to such activity. Moneys may be temporarily advanced to said fund from any available unencumbered and unappropriated balance in any other fund or funds, and as receipts permit, reimbursement of moneys advanced from other funds shall be made.
Minn. Stat. § 443.33
1945 c 185 s 8