functus officio

[PearlShine]

как перевести? помогите, пожалуйста:

functus officio

вот контекст:

(iii) any appointment of an arbitrator in relation to the Linked Dispute before the date of the Joinder Order will terminate immediately and that arbitrator will be deemed to be functus officio.

[Krio]

Functus officio, Latin for "having performed his office," is a legal term used to describe a public official, court, governing body, statute, or other legal instrument that retains no legal authority because his or its duties and functions have been completed.
http://en.wikipedia.org/wiki/Functus_officio
http://dic.academic.ru/dic.nsf/enwiki/986993

maybe
...считаться сложившим свои полномочия

[Сomandor]

functus (lat)-осуществлять, исполнять, выполнять
Officio(lat)-обязанности
Absit invidia verbo.