the primary purpose of the International Building Codes and the region-specific

the primary purpose of the International Building Codes and the region-specific model building codes adopted by local building departments. Explain why an Authority Having Jurisdiction (AHJ) would adopt the International Codes to be used as their local model building codes. Describe the roles and responsibilities of an AHJ regarding permit issuance and building code enforcement. Why is it necessary to obtain applicable building permits prior to conducting work?
Your final library assignment must be 3-4 pages in length (not including cover sheet, and reference page), written in APA format.