If a P&A system's access is denied or delayed beyond the deadlines specified in § 1326.25, the P&A system shall be provided, within one business day after the expiration of such deadline, with a written statement of reasons for the denial or delay. In the case of a denial for alleged lack of authorization, the name, address and telephone number of individuals with developmental disabilities and legal guardians, conservators, or other legal representative will be included in the aforementioned response. All of the above information shall be provided whether or not the P&A has probable cause to suspect abuse or neglect, or has received a complaint.