Respondent and Respondent Firm engaged in the practice of Architecture on the Fike remodeling project in Scottsdale without firm registration with the Board in violation of A.R.S. § 32-121 and A.R.S. § 32-141. Respondent failed to comply with state laws and regulations pertaining to his area of practice in violation of A.R.S. § 32-128(C)(4) as it relates to A.A.C. R4-30-301(4).