3 Each SDHH and SDHR shall notify PTT in writing in advance of any changes in ownership or rights of possession relating to such Distribution Facilities (including the Blending Facility) or a change of the name of any Distribution Facility (including the Blending Facility). If PTT views that such change will materially affect the business operations of SDHH or SDHR, SDHH and/or SDHR agrees to make any additions or remedy any defect or problem as determined by PTT immediately at its own cost and expenses.