Art. 37 c. 1 lett. a)-b) D.Lgs. 33/2013
Art. 1 c. 32 L. 190/2012
Art. 4 delibera ANAC 39/2016
Art. 21 c. 7 D.Lgs. 50/2016
Art. 29 c. 1 D.Lgs. 50/2016