Question 1
How should mails for Defence Service personnel be addressed?
To the individual's home address
With Number, Rank, Name, Unit and Army Post Office (e.g., 56 APO)
To the nearest civilian post office
With only the name and unit
Explanation
Post Office Guide Part 1, Clause 27:
"The following particulars should always be furnished in the address in the case of mails for the personnel of the Defence Services serving in the Army and Air Force... No., Rank, Name, Unit. Such mails should be addressed to 56 A.P.O., 99 A.P.O, etc. without the addition of any post town."
