Rule 6-4-7.15 - How to Apply for CHDO CertificationA. Complete the CHDO Certification Application, including all requested documentation forms.B. Submit one (1) original and one (1) copy of the entire application. The application should be bound with a binder clip, 3-ring binders or any other forms of binding.C. The application may be mailed or hand delivered to the address below.42 USCA § 12701 et seq.; Pub. L. 101-625, title I et seq.; 24 CFR 92