(w) The Veterans' Land Board may provide for, issue, and sell general obligation bonds of the state for the purpose of selling land to veterans of the state or providing home or land mortgage loans to veterans of the state in a principal amount of outstanding bonds that must at all times be equal to or less than the aggregate principal amount of state general obligation bonds previously authorized for those purposes by prior constitutional amendments. Bonds and other obligations issued or executed under the authority of this subsection may not be included in the computation required by Section 49-j of this article. The bond proceeds shall be deposited in or used to benefit and augment the Veterans' Land Fund, the Veterans' Housing Assistance Fund, or the Veterans' Housing Assistance Fund II, as determined appropriate by the Veterans' Land Board, and shall be administered and invested as provided by law. Payments of principal and interest on the bonds, including payments made under a bond enhancement agreement with respect to principal of or interest on the bonds, shall be made from the sources and in the manner provided by this section for general obligation bonds issued for the benefit of the applicable fund.