(a) Unless, at any time prior to or at original issuance of a registered public obligation, the official or official body of the issuer determines otherwise, this subchapter shall be applicable to such registered public obligation, notwithstanding any provision of law to the contrary. When this subchapter is applicable, no contrary provision shall apply.
(b) Nothing in this subchapter limits or prevents the issuance of obligations in any other form or manner authorized by law.
(c) Unless determined otherwise pursuant to subsection (a) of this section, the provisions of this subchapter shall be applicable with respect to obligations which have been approved by vote, referendum, or hearing which authorizes or permits the authorization of obligations in bearer and registered form or in bearer form only. These obligations need not be resubmitted for a further vote, referendum, or hearing for the purpose of authorizing or permitting the authorization of registered public obligations pursuant to this subchapter.