Add the Sample letter of exemption for online payment for editing. File Online: Visit the Assessor Website at mcassessor.maricopa.Gov; Select "Customer Portal," register, and file your Personal Exemption online. All documents must be submitted to the Department before the Board of Health can consider granting a fee waiver. Fully completed Health Care Exemption Application: Complete all sections of the form, including the list of locations for Appendix A of the Exemption Letter.