The authority shall have all of the powers necessary, proper, and convenient to carry out and effectuate the purposes and provisions of this article. The powers enumerated in this Code section are cumulative of and in addition to each other and other powers granted elsewhere in this article; and no such power limits or restricts any other power of the authority. Without limiting the generality of the foregoing, the powers of the authority shall include the powers:

(1) To sue and be sued;

(2) To adopt and amend a corporate seal;

(3) To make and execute contracts, agreements, and other instruments necessary, proper, and convenient to exercise the powers of the authority to further the public purpose for which the authority is created, including, but not limited to, contracts for construction of projects, leases of projects, contracts for operation of projects, contracts for sale of projects, agreements for loans to finance projects, and contracts with respect to the use of projects. Any and all persons, firms, and corporations and any and all political subdivisions, departments, institutions, or agencies of the state are authorized to enter into contracts, leases, or agreements with the authority upon such terms and for such purposes as they deem advisable; and, without limiting the generality of the foregoing, authority is specifically granted to municipal corporations, counties, and other political subdivisions and to the authority to enter into contracts, lease agreements, or other undertakings with each other relating to projects of the authority for a term not exceeding 50 years. Likewise, without limiting the generality of the above and foregoing, the same authority above granted to municipal corporations, counties, political subdivisions, and to the authority relative to entering into contracts, lease agreements, or other undertakings is authorized between the authority and private corporations, both inside and outside this state, and between the authority and public bodies, including counties and cities outside this state;

(4) To acquire by purchase, lease, condemnation, or otherwise and to hold, lease, and dispose of real and personal property of every kind and character or any interest therein in furtherance of the public purpose of the authority;

(5) To finance, by loan, grant, lease, or otherwise, and to construct, erect, assemble, purchase, acquire, own, repair, remodel, renovate, rehabilitate, modify, maintain, extend, improve, install, sell, equip, expand, add to, operate, or manage projects and to pay the cost of any project from the proceeds of revenue bonds, notes, or other obligations of the authority or any other funds of the authority, or from any contributions or loans by persons, corporations, partnerships, limited or general, or other entities, all of which the authority is empowered to receive and accept and use;

(6) To borrow money to further or to carry out its public purpose and to execute revenue bonds; notes; other obligations; leases; trust indentures; trust agreements; agreements for the sale of its revenue bonds, notes, or other obligations; loan agreements; mortgages; deeds to secure debt; trust deeds; security agreements; assignments; and such other agreements or instruments as may be necessary or desirable, in the judgment of the authority, to evidence and to provide security for such borrowing;

(7) To issue revenue bonds, notes, or other obligations of the authority and use the proceeds thereof for the purpose of paying or loaning the proceeds thereof to pay all or any part of the costs of any project and otherwise to further or carry out the public purpose of the authority and to pay all costs of the authority incident to, or necessary and appropriate to, furthering or carrying out such purpose;

(8) To make application directly or indirectly to any federal, state, county, or municipal government or agency or to any other source, public or private, for loans, grants, guarantees, or other financial assistance in furtherance of the authority's public purpose and to accept and use the same upon such terms and conditions as are prescribed by such federal, state, county, or municipal government or agency or other source;

(9) To enter into agreements with the federal government or any agency or corporation thereof to use the facilities of the federal government or agency or corporation thereof in order to further or carry out the public purposes of the authority;

(10) To extend credit or make loans to any person; corporation; partnership, limited or general; or other entity for the costs of any project, which credit or loans may be evidenced or secured by loan agreements, notes, mortgages, deeds to secure debt, trust deeds, security agreements, assignments, or other instruments or by rentals, revenues, fees, or charges, upon such terms and conditions as the authority shall determine to be reasonable in connection with such extension of credit or loans, including provision for the establishment and maintenance of reserve funds, and, in the exercise of powers granted in connection with any project, the authority shall have the right and power to require the inclusion in any such loan agreement, note, mortgage, deed to secure debt, trust deed, security agreement, assignment, or other instrument of such provisions or requirements for guarantee of any obligations, insurance, construction, use, operation, maintenance, and financing of a project and such other terms and conditions as the authority may deem necessary or desirable;

(11) As security for repayment of any revenue bonds, notes, or other obligations of the authority, to pledge, mortgage, convey, assign, hypothecate, or otherwise encumber any property of the authority, including, but not limited to, real property, fixtures, personal property, and revenues or other funds; and to execute any lease; trust indenture; trust agreement; agreement for the sale of the authority's revenue bonds, notes, or other obligations; loan agreement; mortgage; deed to secure debt; trust deed; security agreement; assignment; or other agreement or instrument as may be necessary or desirable in the judgment of the authority to secure any such revenue bonds, notes, or other obligations, which instruments or agreements may provide for foreclosure or forced sale of any property of the authority upon default in any obligation of the authority, either in payment of principal, premium, if any, or interest or in the performance of any term or condition contained in any such agreement or instrument. The State of Georgia on behalf of itself and each county, municipal corporation, political subdivision, or taxing district therein waives any right the state or such county, municipal corporation, political subdivision, or taxing district may have to prevent the forced sale or foreclosure of any property of the authority upon such default and agrees that any agreement or instrument encumbering such property may be foreclosed in accordance with law and the terms thereof;

(12) To receive and use the proceeds of any tax levied by the State of Georgia or any county or municipality thereof to pay the costs of any project or for any other purpose for which the authority may use its own funds pursuant to this article;

(13) To receive and administer gifts, grants, and devises of money and property of any kind and to administer trusts;

(14) To use any real property, personal property, or fixtures or any interest therein; or to rent or lease such property to or from others or make contracts with respect to the use thereof; or to sell, lease, exchange, transfer, assign, pledge, or otherwise dispose of or grant options for any such property in any manner as it deems to be to the best advantage of the authority and the public purpose thereof;

(15) To acquire, accept, or retain equitable interests, security interests, or other interests in any real property, personal property, or fixtures by loan agreement, note, mortgage, deed to secure debt, trust deed, security agreement, assignment, pledge, conveyance, contract, lien, loan agreement, or other consensual transfer in order to secure the repayment of any moneys loaned or credit extended by the authority;

(16) To appoint, select, and employ engineers, surveyors, architects, planners, fiscal agents, attorneys, and others and to fix their compensation and pay their expenses;

(17) To encourage and promote by means of rail passenger excursion projects the improvement and advancement of the service area and the enhancement and profitability of tourism to the service area and its citizens;

(18) To make, contract for, or otherwise cause to be made long-range plans or proposals for rail passenger excursion projects within the service area, in cooperation with those political subdivisions within which such projects are located;

(19) To adopt bylaws governing the conduct of business by the authority, the election and duties of officers of the authority, and other matters which the authority determines to deal with in its bylaws;

(20) To exercise any power granted by the laws of the State of Georgia to public or private corporations which is not in conflict with the public purpose of the authority; and

(21) To do all things necessary, proper, and convenient to carry out the powers conferred by this article.