Alaska Admin. Code tit. 2, § 96.325
(a) Except as otherwise provided in this section, as soon as practicable, but not later than the 10th working day after the date the agency receives a request for public records that complies with this chapter, the public agency shall
(d) A public agency may extend the basic 10-working-day period established under (a) of this section for a period not to exceed 10 additional working days by providing notice to the requester within the basic 10-working-day period. The notice must state the reasons for the extension and the date by which the office expects to be able to furnish the requested records or to issue a determination that the records are not disclosable. The notice must include a statement that the extension is not invoked for purposes of delay. The basic 10-day period may be extended only when one or more of the following circumstances exist, and then only as to those specific documents within the request as to which the circumstances apply:
(Eff. 11/6/94, Register 132)