Except as provided in subsection (b) of this section, the ordinance or resolution described in § 12-303 of this subtitle may provide that a bond may be secured and made payable from any combination of: a pledge of the full faith and credit of the political subdivision and payable by taxes of general applicability; an increase in real property tax revenues that is attributable to increases in assessed value in designated blighted areas resulting from carrying out the purposes for which the bond is issued; revenues of the project or undertaking for which the bond is issued; proceeds of bonds; or other money that may be legally made available to pay the bond. A bond issued by Baltimore City may not be secured under subsection (a)(2) of this section.