'Denegare actionem', decretum e intercessio

Could a plaintiff appeal to the tribuni plebis’ or to the par maiorve potestas’ intercessio against a decision of denegare actionem? The paper analyzes some sources [D. 2.2.1.2 (Ulp. 3 ad ed.); D. 2.2.3.5 (Ulp. 3 ad ed.); Plin., Ep. 1.23.3; Iuv., Sat. 7.228] which can demonstrate that the denegatio actionis took the form of a decretum. The plaintiff could appeal to the intercessio against it, in order to obtain its annulment and, consequently, the so-called datio actionis