(a) The district may issue revenue bonds for any health care purpose, including a purpose described by Section 1031.201, only if the bonds are authorized by a majority of the district voters voting at an election held for that purpose.
(b) The bonds must be payable from and secured by a pledge of all or part of the revenue derived from the operation of the district's health care system.
(c) The bonds may be additionally secured by a mortgage or deed of trust lien on all or part of district property.
(d) The bonds must be issued in the manner provided by Sections 264.042, 264.043, and 264.046-264.049, Health and Safety Code, for issuance of revenue bonds by a county hospital authority.