There are times when you should request copies of your records: 1  Permanent Change of Station. 2  Deploying. 3  Retiring.
0. EXPERT ANSWER. Double coincidence of wants refers to a situation in a barter system where the goods or services offered by a seller are exactly the same as that required by a buyer and vice versa.
The legal term 'double jeopardy' is a legal defence whereby an accused person cannot be tried for the same offence twice based on the same fact if they have already been conviâ¦cted or acquitted of the same offence.