definiens: shall mean ( a ) for each Systempurchased directly by Customer or any of its affiliates ( including any Authorized Customer Location ) from NxStage(whether under this Agreement or under an earlier expired or terminated contract ), the [ * * ] year period following thepurchase date of each such System, and ( b ) for each System acquired by Customer, any Customer affiliate, or anyAuthorized Customer Location or its affiliates pursuant to any transaction or series of transactions pursuant to whichCustomer, any Customer affiliate, or any Authorized Customer Location or any of its affiliates : ( i ) acquired the equityinterests of a dialysis facility of any third party possessing the voting power to elect a majority of such dialysisfacility ’s board of directors, board of managers or members, general partner, or managing member or manager, as thecase may be ( whether by merger, consolidation, reorganization, combination, sale or transfer of the equity interests ofsuch dialysis facility, or otherwise acquires the right to control such dialysis facility whether by securityholder orvoting agreement, proxy, power of attorney, or otherwise ), ( ii ) acquired all or substantially all of the assets of adialysis facility of any third party, or ( iii ) entered into a management contract, joint venture, or other similar transactionwith a dialysis facility of any third party relating to the provision of chronic hemodialysis therapy at such dialysisfacility ( each, an ), the [ * * ] year period following the purchase date of each such System bysuch Acquired Dialysis Site, if such System was purchased by such Acquired Dialysis Site with [ * * ] to offset a portionof the purchase price, or the [ * * ] year period following the purchase date of each such System by such AcquiredDialysis Site, if such System was not purchased with [ * * ] . For purposes of clarification, Systems that were rented byan Acquired Dialysis Site at the time such Acquired Dialysis Site is acquired by Customer, any Customer affiliate, orany Authorized Customer Location or any of its affiliates and which are later purchased by Customer or anyAuthorized Customer Location hereunder shall have a Service Term equal to the [ * * ] year period following thepurchase date of each such System ; provided that such purchase is at the Purchase Price outlined in Schedule B-3and [ * * ] are not used to offset any portion of the Purchase Price for such System