Ob upoštevanju zahtev posebnih direktiv verifikacija vsebuje: pregled značilnosti materialov, preverjanje projektnih izračunov, metod in kakovosti izdelave ter uporabljenih materialov, notranji pregled, ki vsebuje pregled notranjih delov in varjenja, tlačno testiranje, pregled katerih koli montiranih varnostnih naprav in opreme za merjenje, zunanji pregled različnih delov posode, test uspešnosti, kadar je predpisan v posebnih direktivah.
Subject to the requirements of the separate Directives the verification shall entail: - examination of the characteristics of the materials, - checking of the design calculations, method of manufacture, workmanship and materials used, - an internal examination consisting of a check on the internal parts and the welding, - a pressure test, - inspection of any safety devices and measuring equipment fitted, - an external examination of the various parts of the vessel, - a performance test where this is prescribed in the separate Directives.