N.C. Gen. Stat. § 157-32.2
All contracts, agreements and undertakings of such housing authorities heretofore entered into relating to financing, or aiding in the development or operation of any housing projects, including (without limiting the generality of the foregoing) loan and annual contributions contracts, agency contracts and leases, agreements with municipalities or other public bodies (including those which are pledged or authorized to be pledged for the protection of the holders of any notes or bonds issued by such housing authorities or which are otherwise made a part of the contract with such holders of notes or bonds) relating to cooperation in aid of housing projects, payments to public bodies in the State, furnishing of municipal services and facilities and the elimination of unsafe and insanitary dwellings, and contracts for the construction of housing projects, together with all proceedings, acts and things heretofore undertaken or done with reference thereto, are hereby validated and declared legal in all respects.
N.C. Gen. Stat. § 157-32.2