Some organizations do not have to use specific application forms. The application an organization must use is shown in the Organization Reference Chart PDF. When no specific application form is prescribed for an organization, application for exemption is by letter to the IRS. Send the application to the appropriate address shown on Form 8718, User Fee for Exempt Organization Determination Letter Request PDF. The letter must be signed by an authorized individual such as an officer of the organization or a person authorized by a power of attorney. Send the power of attorney with the application letter. The letter should also contain the name and telephone number of the person to contact. The following information must be sent with the letter. Employer identification number Organizing documents and bylaws Description of activities Financial data Other information Return to life cycle of a social welfare organization Return to life cycle of a labor organization Return to life cycle of an agricultural or horticultural organization Return to life cycle of a business league (trade association)