ESF ROP 2014-2020 AXIS 3 PRORIIT 10.IV. OPEN PROCEDURE UNDER LEGISLATIVE DECREE NO 163/2006. PROCUREMENT SERVICE IN SUPPORT OF THE ACCREDITATION MANAGEMENT OF THE REGIONAL TRAINING STRUCTURES OF THE MARCHE REGION. — ROP MARCHE ESF 2014-2020, PRORIT 10.IV — SUPROP SERVICE CONTRACT