(a) By applying the related decision in document UNEP/OzL.Pro/ExCom/15/45, paragraphs 146 and 147, on an enterprise basis, by:
(i) Using the amount of ODS contained in units that had already been charged when shipped; and
(ii) Using the design ODS charge for units designed to be filled with an ODS but shipped empty;
or
(b) By determining the share of exports on a sectoral basis, if the sector size was sufficient to warrant such a sectoral approach.
(UNEP/OzL.Pro/ExCom/59/59, Decision 59/15 para 87)
(Supporting document: UNEP/OzL.Pro/ExCom/59/11).