???? Accord ??????? critical ????? ??? ???????? ??? ????? ??????. Specifies ??? ????????? obligations ??? ??? ???? relates to maintenance ???????, and details ????? ???????. ?????? ??? ????????? ?? limiting ????????? ??? parties ???????? responsibilities ?? ??? Aids ?? ensuring ???? ???????? ??

????? ??????? ???????? ?? ???? ??????? ???????? ??????. ????? ??? ??????? ?????? ???? ???? ??? ????? ?????? ? ???? ?????????. ????? ???? ??? ???? ??????? ?? ??????? ????? ?????? ????? ??????? ?????? ?????? ??????? ??????? ?? ??????? ?? ???? ??? ??????. ??????? ?? ???????? ????? ???? ????