(governing forgiveness of loans for rural teachers). 12 . The canon of statutory construction known as expressio unius est exclusio alterius provides that "to express or include one thing implies the exclusion of the other." Buaok's Law Dictionary 620 (8th ed.2004). We infer that the absence of an explicit medical cancellation provision is deliberate. 13 . Ch. 63, § 38, SLA 1993. 14 . Ch. 63, § 37, SLA 1993. Although the quotation refers to former AS 14.43.120, the current version of the statute is not substantively different. The current version of AS 14.43.120(b) reads: "Security may not be required for a loan; however, a loan origination fee, as specified in (u) of this section, shall be deducted at the time that the loan is disbursed." 15 . 999 P.2d 138, 143 (Alaska 2000) (<HOLDING>). 16 . The validity of a regulation depends on
holding that ojrdinarily when a regulation is not promulgated in compliance with the apa the regulation is invalid however when equity demands the regulation can be left in place while the agency follows the necessary procedures citation omitted holding that verbal requirement of need not contained in hunting regulation was addition of substance and thus regulation under apa holding that where a regulation could not fairly be read to have spoken at all on an issue an agencys proposed interpretation of the regulation as it pertained to that issue was not a reasonable interpretation of the regulation holding that a regulation requiring livestock to be marked could not without passing a new apa regulation be interpreted to require permanent marks visible from twenty feet holding interpretation may not be inconsistent with regulation