General characteristics:
| Heading and notes: | Form number 66. Standard Commonwealth heading above TELEGRAM NON-DELIVERY ADVICE. |
| Message area: | Lined. |
| Reverse side: | Blank. |
| Colours (text & form): | Black on cream. |
| Size of form overall: | Various. |
Distinctive characteristics of the form:
Printed in September 1940.
Printed in July 1947.
Printed in July 1948.
Printed in August 1952.
Printed in August 1958.
Printed in June 1962.
Printed in June 1962.
Printed in 1969.
Printed in 1972.
Details of use and rarity.
| Form sub-number |
Schedule number | Earliest recorded date | Rarity rating |
| AD-2A | Sch. C2941 - 9/1940 | 18 January 1943 at Hindmarsh, SA. | RRR |
| AD-2B | Sch. C.4495 - 8/1944. | 20 September 194? at CTO Melbourne. | RRR |
| Sch. C. 5398 - 7/1947 | 26 October 1949 at CTO Melbourne. | RRR | |
| AD-2C | Sch. C.5724 - 7/1948 19719/8/48 - 300M - *16/72. |
24 June 1953 at CTO Melbourne. | RRR |
| AD-2D | Sch. C.6815 - 8/52 | RRR | |
| AD-2E | O/N C.1984 - 8/58 | RRR | |
| AD-2F | O/N. C.2319 - 6/60 | RRR | |
| O/N/. 2638. -6/62... | 23 April 1970 at Oatley, NSW. | RRR | |
| AD-2G | O/N. C.3252. - 6/65... | RRR | |
| AD-2H | O/N. C.3857/69 | 21 July1972 at CTO Melbourne. | RRR |
| AD-2I | O/N/ C.4254/72... | RRR |