Rejimen Sempadan
The Rejimen Sempadan of the Malaysian Army was formed with the conversion of the 300-series Regular Force Reserve of the Rejimen Askar Wataniah into the 3rd regiment of the Infantry Corps. Its current strength of 11 infantry battalions being tasked with guarding the national border against all type of incursion, infiltration, smuggling and criminal activities. Currently it is responsible for the northern border of Peninsular Malaysia and the border of East Malaysia with Indonesia.
All Border Battalions are subordinated into a Border Brigade with a 30 Brigade HQ reporting to 2 Division HQ and 31st Brigade reporting to 1 Division HQ.
Battalions
The RS has a total of 5 battalions, all of which are standard infantry battalions:| Formation | Headquarters/Locations: |
| 30th Brigade HQ | Bukit Keteri Camp, Perlis |
| 1st RS Battalion | Batu Sebelas Camp, Tanah Merah, Kelantan |
| 2nd RS Battalion | Batu Melintang Camp, Jeli, Kelantan |
| 3rd RS Battalion | Pengkalan Hulu Camp, Perak |
| 4th RS Battalion | Grik Camp, Grik, Perak |
| 5th RS Battalion | Bukit Kayu Hitam, Kedah |
| 11th RS Battalion | Bera Camp, Pahang |