definiens: shall mean each of the following payments : ( i ) a $ [ * * * ] payment in respect of the first Calendar Year in which [ * * * ] in the Territory earned during such Calendar Year equal or exceed $ [ * * * ] ; and ( ii ) a $ [ * * * ] payment in respect of the first Calendar Year in which [ * * * ] in the Territory earned during such Calendar Year equal or excee d $ [ * * * ] ; and For the avoidance of doubt, an [ * * * ] Sales -Based Milestone Payment with respect to a level of [ * * * ] shall be payable only once with respect to such level of [ * * * ] achieved solely during the applicable Calendar Year ; provided that one or mo re additional [ * * * ] Sales -Based Milestone Payments may be payable in respect of a Calendar Year where more than one level of [ * * * ] triggering an [ * * * ] Sales -Based Milestone Payment is reached solely during such Calendar Year . Appendix D sets out an example with respect to the payment of [ * * * ] Sales -Based Milestone Payments