Learn how to write effective fundraising letters that inspire more support from donors. Explore best practices and templates in this comprehensive guide.Optimize your member renewal letters to keep members coming back year after year. Read our how-to guide and download your free template. Check out these membership renewal letter samples to get your creativity flowing. Church Letters Membership ? AZ Impact for Good offers diverse membership types tailored to meet the unique needs of individuals, organizations, businesses, and government entities. Boost your renewal rates with a foolproof membership renewal letter! You can choose to send a physical letter in the mail, send an email or give your members a phone call. Instructions on how to complete this form can be found in the CPT application.