(a) Whenever an agency executes a personal services contract under Government Code section 19130, subdivision (b), the agency shall document, with specificity and detailed factual information, the reasons why the contract satisfies one or more of the conditions specified in Government Code section 19130, subdivision (b). The written justification shall be signed by a person who is authorized to do so and who signs based on his or her personal knowledge, information, or belief that the written justification correctly reflects the reasons why the contract satisfies Government Code section 19130, subdivision (b). The date of signing, the representative's name, title, address, e-mail address, and telephone number shall be included and legible.

(b) The agency shall maintain the written justification for the duration of the contract and any extensions of the contract or in accordance with the record retention requirements of section 26, whichever is longer.