Where the conventional duty exceeds the duty applied as defined above by more than 10 %, the latter duty plus 10 % shall be taken as the basis for calculating the arithmetical average.
Má bhíonn an dleacht choinbhinsiunta thar 10% níos airde ná an dleacht a fheidhmítear mar a shainitear thuas, is i an dleacht deiridh sin móide 10% a ghlacfar mar bhonn chun an mean uimhríochtúil a riomh.