Here's an example, and fill in the blank where appropriate: "Dear Client, Your payment of ______ has been successfully processed on ______. Visit the Ohio Business Gateway.Download a proof of residency letter template for family members, notarized or non-notarized, tailored for legal use. Here are the 5 steps to get 147c. Other ways to complete this task. Use our automated phone assistance. Keep a record of who you spoke with and when — then follow up with a letter like the sample below. Be sure to fill in the form completely.