(a)      The WSSC may enter into any contracts or agreements with the District of Columbia and with any federal, State, county, or municipal authority in this State and any other state and with any public water, sewerage, or drainage commission in this State and any other state concerning any matter necessary, advisable, or expedient for the proper construction, maintenance, and operation of the water supply, sewerage, or drainage systems under the WSSC's control or those under the control or ownership of the District of Columbia, or any other type of agency, authority, or commission specified in this section.

      (b)      The WSSC may contract, either as a primary party or as a subcontractor, with, or invest in, any person for the ownership, joint-venturing, management, operation, supervision, assistance, participation, or any other activity relating to the design, construction, operation, maintenance, or management of water or wastewater systems, including systems, services, expertise, intellectual property, and techniques developed in connection with water or wastewater systems, or usable or marketable with respect to water or wastewater systems.

      (c)      Any contract or agreement entered into under subsection (a) or (b) of this section has the full effect of a contract between the District of Columbia and this State and between the other agencies, authorities, or persons described in this section and this State.

      (d)      (1)      Initial program development costs for a project subject to a contract or agreement under this section may be financed from WSSC funding sources other than revenue bond proceeds only if those costs are reimbursed from project revenues.

            (2)      Other project costs may be financed from WSSC sources other than revenue bond proceeds only if those costs are reimbursed from project revenues.

      (e)      The authority granted in this section is in addition to, and is not limited by, the authority granted by any other Act of the General Assembly.

      (f)      Any project, contract, or transaction entered into pursuant to this section that utilizes revenue bonds issued under Title 4, Subtitle 2 of this article shall be entered into by the WSSC only through the use of a limited liability company, limited liability partnership, limited partnership, or other comparable limited liability entity or arrangement.

      (g)      Funding of initial program costs under subsection (d)(1) of this section and other project costs under subsection (d)(2) of this section may not, in any fiscal year, exceed an amount equal to 3 percent of the gross revenues of the WSSC from water consumption charges and sewer use charges for the immediately preceding fiscal year.