Each case should be entered in order according to the date on which the letter was posted. The Return should be divided into two parts.
The first part should include only Registered Letters, the cases of entire loss of the letter being entered separately from cases of abstraction of the contents of the letter.
The second part should include only unregistered letters, the cases of loss being also entered separately from the cases of abstraction.
This return should be very carefully prepared. It constitutes the material from which the annual statement for Parliament has to be compiled, and the explanations given under the head of "Result of Proceedings" should be such as fully to justify every step taken during and subsequent to the investigations instituted.
15. A Return of the Mail Service in operation in your Division on the 1st day of July, in each year, to be transmitted by the first of the following month.
The services in this return to be entered alphabetically and to be classified according to frequency of service, the distances between the termini of the several routes also, to be accurately stated. Suspended winter services to be given as a supplement.