On 1 March, at the start of each permit period, an initial MCL of 50 tonnes per permitted vessel will be issued unless there is evidence to suggest a different limit is required.
Ar 1 Mawrth, ar ddechrau cyfnod pob trwydded, bydd MCL cychwynnol o 50 tunnell fesul cwch trwyddedig yn cael ei gyhoeddi oni bai bod tystiolaeth i awgrymu bod angen terfyn is.