Complete Arizona Form 308 to claim this tax credit. •. Pollution Control Credit.You must complete and include Form 301 with the appropriate individual credit form(s) (any form that starts with 3) with your return. On this page, forms for these credits and exemptions are included within the descriptions. The Cash Assistance program provides temporary cash benefits and supportive services to the neediest of Arizona's children and their families. For use in preparing 2023 Returns. Publication 525 - Introductory Material. Form 335 is used in claiming the Corporate Tax Credit.