Haw. Rev. Stat. § 39-57
The revenue bonds bearing the signature of officers in office on the date of the signing thereof shall be valid and sufficient for all purposes, and shall have the same effect as if the persons officially signing the revenue bonds had remained in office until the delivery of the revenue bonds to the initial purchasers thereof, and in the case of fully registered revenue bonds upon any exchange or transfer between subsequent holders thereof, notwithstanding that the term of office of those persons or any of them may have expired or they may otherwise have ceased to be those officers before the delivery, exchange, or transfer. If the director of finance shall have designated a registrar for fully registered revenue bonds, the certificate or resolution authorizing the revenue bonds may provide that none of those fully registered revenue bonds shall be valid or obligatory for any purpose unless certified or authenticated by the registrar. If the certificate or resolution so provides, then all signatures of the officers of the State upon the fully registered revenue bonds may be facsimiles of the signatures, and the fully registered revenue bonds shall be valid and sufficient only if certified or authenticated by the manual signature of an authorized officer or signatory of the registrar.
Anything to the contrary notwithstanding, if blanks of fully registered revenue bonds shall be held by a registrar pending exchange or transfer for other fully registered revenue bonds of the same series, then upon delivery of revenue bonds in an exchange or transfer, the revenue bonds shall be valid and sufficient for all purposes, notwithstanding that the signatures of the officers of the State appearing thereon shall be those of the persons in office at the time of initial delivery of the revenue bonds or those of the persons in office at the time of the exchange or transfer. The validity of the revenue bonds shall not be dependent on or affected by the validity or regularity of any proceedings relating to the acquisition, purchase, construction, reconstruction, improvement, betterment, or extension of the undertaking or establishment or administration of the loan program authorized by law for which the revenue bonds are issued.
The resolution or certificate authorizing the revenue bonds shall provide that the revenue bonds shall contain a recital that they are issued pursuant to this part, which recital shall be conclusive evidence of their validity and of the regularity of their issuance.
HRS § 39-57