For Minnesota - Certificate of Rent Paid (CRP) is at the very end of the state return, after the questions about penalties, extensions, etc. Look for a page titled "Other Forms You May Need". Check the first box, Property Tax Refund (Form M1PR). (screenshot attached) That will take you through the section for the renter's credit.
You may also find the following FAQ article helpful. https://ttlc.intuit.com/replies/3300669