(a) A participant may be excluded from participation in the ACP if:(1) mail forwarded to the participant by the OAG is returned as undeliverable on at least four occasions;(2) the participant changes the participant's true residential address as provided in the application filed by the participant, and does not submit an OAG Change of Address form notifying the OAG at least 10 business days before the date of the address change; or(3) the participant changes the participant's name.(b) If an application for the ACP is denied or participation in the ACP is canceled, the OAG will send the applicant or participant a written determination and reason for the denial or cancellation.