Only expenses incurred on the days the traveler is on Maricopa business will be reimbursed. This handbook is provided to assist Transportation Coordinators (TCs) and the regulated community in better understanding the provisions of the MCAQD TRP.Travel expenses are the ordinary and necessary expenses of traveling away from home for your business, profession, or job. Traveling to Arizona for work? Our per diem calculator tells you exactly how much you can spend daily on your business trip. Only expenses incurred on the days the traveler is doing State business will be reimbursed. TPT deduction code listings provide the deduction code number, a description (often abbreviated) and the business codes for state and city business categories. This is an appeal from a decision of the Arizona Supreme Court upholding the constitutionality of an Arizona statute requiring a year's residence in a county. Acceptable forms of payment to this court are: Cash, Credit Cards (Visa, Master Card, Discover, American Express), Money Orders and Checks. MAG provides regional planning and policy decisions in areas of transportation, air quality, water quality, and human services for Maricopa County.