| 3 Sep 39 | 42 Infantry Division | Ulverston, Cumbria, UK |
| 21 Apr 40 | 42 Infantry Division | France |
| May 40 | 42 Infantry Division | UK |
| Nov 41 | 76 Infantry Division | UK |
| Apr 42 | 70 Infantry Division | India |
| Jul 43 | Eastern Army | India |
| Aug 43 | Became 56 Light Anti-Aircraft/Anti-Tank Regiment 2 batteries to 55 Light Anti-Aircraft/Anti-Tank Regiment |
|
| Oct 44 | Became 56 Anti-Tank Regiment | |
| Oct 44 | 5 Indian Division | Burma (Myanmar) |
| May 45 | 14 Army | Burma (Myanmar) |
| Jun 45 | 12 Army | Burma (Myanmar) |
| Jun 45 | RA Training HQ 40 | India |
Batteries
| 3 Sep 39 | 221, 222, 223, 224 |
| Sep 41 | 224 Battery to 83 Anti-Tank Regiment on formation |
| Jul 43 | 203, 221, 222, 290 |
| Aug 44 | 221, 222, 351 |
Equipment
| Sep 39 | 2 pdr Guns |
| Oct 44 | 36 x 6 pdr Guns, 36 x 3 inch Mortars |
