definiens: means and shall be deemed to exist in a particula r country in the Territory with respect to a particular Product or C ombination Product in a given Calendar Quarter if in such country during such Calendar Qua rter one or more Generic Products ( other than a Generic Product sold by BI or its Affiliates or by a Sublicensee under a license granted by BI or its Affiliate ) in the aggregate account fo r more than twenty percent ( 20 % ) of the sum of ( i ) the aggregate unit sales of such Product or Combination Product sold by BI or its Affiliates or Sublicensees in such country, and ( ii ) the aggregate unit sales of such Generic Product or Combination Product in such country, as measured by IMS standard units sold based on data provided by IMS International, or if such data is not available, such other reliable data source as reasonably agreed upon by Z ealand Pharma and BI . If no data is commercially available, then the Parties shall agre e upon a methodology for estimating the percentage unit - based market share of Generic Produ cts in such country