The “CAO IRI Part 21” regulations include procedures for the approval of production without production organizations approval (Subpart F) known as (PWPOA). We hold the letter of agreement from civil aviation organization, that is recognition that a Production Organization fully complies with the requirements of the CAO IRI Part 21 Subpart F, and grants privileges for the organization to manufacture the new products, parts or appliances, and issue the authorized release certificate known as CAO IRI Form 1 for the limited manufactured items in accordance with our capability list.