In the summer of 1940, Romania's traditional interwar arms delivery partners, France and Czechoslovakia, were under German occupation.
The chosen design was the Czechoslovak S-II-c prototype, the successor of the LT vz.
Nazi Germany refused to deliver tanks to Romania because the country was not yet part of the Axis.
[2] In August 1940, the talks were resumed, as Germany sold the license of an improved variant of the T-21 tank to Hungary.
The Hungarian engineers improved the two T-22 prototypes sent to them by Germany and used these as the basis for their 40M Turán I medium tank.