definiens: ) with respect to royalties on certain specified products ( the ) arising from Funded PI:'ojects, as defined in Section 2.3.4 . ' ( c ) Co - promotion Option . The option to co - promote all of those Products identified as on Schedule A of the Royalty Agreement ( the ) in all countries of the world other than North America and Europe in which the Company, directly or indirectly ~ through Ciba or otherwise, reasonably has the field sales force and other promotional infrastructure necessary to successfully promote the Adult Vaccines . In determining such adequacy, the capabilities ofCiba 's sales force and promotional infrastructure or the sales force and promotional infrastructure of any Ciba Affiliate shall be deemed to be the field sales force and promotional infrastructure of the F:\WPGBN\CWM\CmA\LLC.4 ' 1I111II8I ) ' 31, 1996 3,, Company, in all countries where Ciba elects to undertake co - promotion activities . The option to co - promote shall not apply to any Products other than Adult Vaccines . Such option shall be exercisable by the Company, on a country by country basis, by written notice to Chiroo, at any time until 180 days following the granting of the first regulatory approval in North America or Europe to market and sell the first Adult Vaccine for which such regulatory approval is obtained . This option shall terminate automatically as to all ' Adult Vaccines, in any country, with respect to which the option is not exercised by the Company within the time limit set forth above, it being understood that it may be in the interests of the parties to explore, without obligation, a broadening and/or extension of such co - promotion