The calculated levels referred to in subparagraphs (i) (a), (b), (c) and (d) and (ii) shall not include the amount of methyl bromide produced or imported for quarantine and preshipment applications. For the period 1 January 2001 to 31 December 2001 and for each 12-month period thereafter, each producer and importer shall ensure that the calculated level of methyl bromide which it places on the market or uses for its own account for quarantine and preshipment applications shall not exceed the average of the calculated level of methyl bromide which it placed on the market or used for its own account for quarantine and preshipment in the years 1996, 1997 and 1998.
