The maximum allowable fishing effort allocated to Italy for the stock group of giant red shrimp in GFCM geographical subareas 9, 10 and 11 for 2021 referred to in the Annex shall be deemed to be reached from the date set out in that Annex. To this end, fishing activities for the stock group of giant red shrimp by vessels flying the flag of or registered in Italy and having an overall length equal or superior to 24 metres shall be prohibited, as well as to retain on board, relocate, tranship or land fish from that stock caught by those vessels shall be prohibited after that date.