[4: Ocfentanil was scheduled in Schedule I of the United Nations (UN) Single Convention on Narcotic Drugs of 1961 as amended by the 1972 Protocol (the 'Convention on Narcotic Drugs') at the 61st session of the Commission on Narcotic Drugs in March 2018.]
L-ocfentanil ġie skedat fl-Iskeda I tal-Konvenzjoni Unika tan-Nazzjonijiet Uniti (NU) dwar Drogi Narkotiċi tal-1961 kif emendata mill-Protokoll tal-1972 (il- "Konvenzjoni dwar id-Drogi Narkotiċi") waqt il-61 sessjoni tal-Kummissjoni dwar id-Drogi Narkotiċi f'Marzu 2018.]