6.6 Sales made in local currency shall be restricted and limited to the value of the Principal's expenditure in local currency. The GSA shall advise the Principal, from time to time, of any high levels of currency sales made by the GSA, or by Passenger Sales Agents in the Territory whose sales are reported in accordance with Article 4(j) hereof.
6.7 The GSA agrees to follow, to the best of its ability, all instructions of the principal, based on the applicable orders and regulations of the appropriate authorities.
6.8 In the absence of such instructions to handle matters in the best interests of the Principal, such action is to be preceded by notice to the Principal for endorsement.
6.9 The GSA shall at all times maintain the same customer service standards as those provided by the Principal.
6.10 The GSA shall do all possible to ensure that the qualities of the services furnished to the Principal are not less favorable to that of any other representation or agency of the GSA.