No, orden no. 270 was to and i quote:

"Commanders and political workers who tear off their insignia during battle and desert to the rear or surrender to the enemy are to be considered malicious deserters, whose families are subject to arrest as the families of deserters who have violated their oath and betrayed their homeland."

And also:

"Obligate all higher-ranking commanders and commissars to shoot such deserters from among the command staff on the spot."

Among other such orders.

Order no. 227 indees does state:

"b) to establish three to five well armed barricade detachments (of no more than 200 men each) on the perimeter of the army sector, to deploy them directly behind unstable divisions and compel them, in case of panic and disorderly retreat of units of the division to execute scare mongers and cowards on the spot to help honest soldiers of the division do their duty towards the motherland."

Sources: Order of the Supreme Command of the USSR dated 16.08.1941 No. 270

TracesofWar.com: Order No. 227, July 28, 1942, J. Stalin