15. The prescribed limits of error—
(a)for dispensing measures for pharmaceutical purposes, shall be those set out in BS 604: 1982 or BS 1922: 1987, as appropriate, and
(b)for all other capacity measures shall,—
(i)in the case of line measures, be the amounts set out in column 3 of Schedule 2 to these Regulations in excess and in deficiency, and
(ii)in the case of brim measures, be the amounts set out in column 4 of that Schedule in excess only.