On 1 January 1938 the regiment received the XXIII Assault Tanks Battalion "Stennio", which had returned from Libya and on 30 November 1938 it ceded the IV Breach Tanks Battalion to the forming 32nd Tank Infantry Regiment, while receiving on the same date the IV Assault Tanks Battalion "Monti" from the 2nd Tank Infantry Regiment, the V Breach Tanks Battalion from the 4th Tank Infantry Regiment, and the XXII Assault Tanks Battalion "Coralli", which had returned from Libya.