N.C. Gen. Stat. § 157-30

The creation and establishment of housing authorities under the provisions of Chapter 456, Public Laws of 1935, as amended by Chapter 2, Public Laws of 1938, Extra Session, and as further amended by Chapter 150, Public Laws of 1939, and any additional amendments thereto, known as the Housing Authorities Law [G.S. 157-1 et seq.], together with all proceedings, acts and things heretofore undertaken, performed or done with reference thereto, are hereby validated, ratified, confirmed, approved and declared legal in all respects, notwithstanding any want of statutory authority or any defect or irregularity therein.