If you are registered at St. Theresa Catholic Church, going to be a Godparent for a Baptism, and you need a letter of good standing, please fill out this form. The purpose of a Letter of Good Standing is to show that we value the example and commitment of godparents and sponsors.To Whom It May Concern,. The Letter of Good Standing is a notarized document that establishes your good standing with the ULC and is necessary when performing a wedding in some areas. Letter of Good standing. Use the following form to request a letter of suitability (good standing) to travel outside the Diocese of Dallas. Please fill out the corresponding form and your request will be fullfilled within 2 business days. Please use the following form to request a letter of suitability (good standing) to travel outside the Diocese of Dallas. I have my Certificate of ministry but will need to order a new 'letter of good standing' ASAP if the county generally requires it. Some states require ministers to provide a letter of good standing from their affiliated religious organization.