(i) Any pledge made by the authority of income, revenues or other property shall be valid and binding from the time the pledge is made. The income, revenue, such state taxes as the authority shall be entitled to receive or other property so pledged and thereafter received by the authority shall immediately be subject to the lien of such pledge without any physical delivery thereof or further act, and the lien of any such pledge shall be valid and binding as against all parties having claims of any kind in tort, contract or otherwise against the authority, irrespective of whether such parties have notice thereof.
(j) The board of directors of the authority is authorized and empowered to obtain from any department, agency or instrumentality of the United States any insurance or guarantee as to, or of or for the payment or repayment of, interest or principal or both, or any part thereof, on any bonds, notes or other obligations issued by the authority pursuant to the provisions of this section and, notwithstanding any other provisions of sections 8-169ii to 8-169ss, inclusive, to enter into any agreement, contract or any other instrument whatsoever with respect to any such insurance or guarantee except to the extent that such action would in any way impair or interfere with the authority's ability to perform and fulfill the terms of any agreement made with the holders of the bonds, bond anticipation notes or other obligations of the authority.
(k) The board of directors of the authority may purchase bonds, notes or other obligations of the authority out of any funds available for such purpose. The authority may hold, cancel or resell such bonds, notes or other obligations subject to and in accordance with agreements with holders of its bonds, notes and other obligations.