definiens: shall mean ~totai s, a1 ~ s ' v()l~¢, o ( : ~y .~~Cfl ' flUrd Parties " pt()~\Jct~ cQIl'il;>ined ; in.th¢ . coufltry Of · ·, the TerrltQrY., ( ) f ~ t leas~~weU : typ ~ rcent ( 20 % ) 6fN'et Sf¥~s of such Product . . The royalty reduction provided in this Section 8.15 shall not be applied to any Net Sales in respect of which a royalty report has already been provided pursuant to Section 8.11 prior to the receipt by [COMPANY] from [COMPANY] of written notice of any such substantial competition, with suitable supporting documentation, which might include, for example, copies of market survey reports, Third Party bid activities, competitive promotional materials, and internal financial statements . [COMPANY] shall bear the burden of establishing its entitlement to any reduction in the royalty under this Section 8.15 and any such reduction shall be available to [COMPANY] only during the period such competition remains substantial