Русско-англо-русский юридический словарь

(f) The term "vessel not under command" means a vessel which through some exceptional circumstance is unable to maneuver as required by these Rules and is therefore unable to keep out of the way of another vessel; (law.onecle.com)

In exceptional circumstances, however, where this is not possible, and subject to operational requirements, managers may grant leave on full pay up to 10 days (equivalent to 70 hours, pro-rated for part time workers) in any year. (BBC Leave Policy)

The Minister may exempt a child from taking an examination referred to in the first paragraph if the child is unable to attend the examination session due to an illness or another exceptional circumstance. (education.gouv.qc.ca)

The Church accepts that, in exceptional circumstances, a divorced person may marry again in church during the lifetime of a former spouse. (BBC)