| Heading and notes: | Form number E.T. No. 10. Standard Interim period heading. |
| Message area: | 6 lines of 5 boxes. |
| Reverse side: | Blank. |
| Colours (text & form): | Black on green. |
| Size of form overall: | 145 × 210 mm (top section only). |
| Size of datestamp box: | 33 × 33 mm. |
Details of use and rarity.
| Form sub-number |
Schedule number | Earliest recorded date | Rarity rating |
| RO-2A | None | 4 July 1907 at Maryborough. | RRRR if a complete form with two sections. RR if one section used. |
| RO-2B | None | 4 December 1909 at St. Arnaud, Vic. |