(a) An individual has a right to have any factual error in that person's personal record corrected and any misrepresentation or misleading entry in the record amended by the agency which is responsible for its maintenance.
(b) Within twenty business days after receipt of a written request to correct or amend a personal record and evidence that the personal record contains a factual error, misrepresentation, or misleading entry, an agency shall acknowledge receipt of the request and purported evidence in writing and promptly:
(1) Make the requested correction or amendment; or
(2) Inform the individual in writing of its refusal to correct or amend the personal record, the reason for the refusal, and the agency procedures for review of the refusal.