The idea of ligalization of bribe giving for certain types of bribes was expressed by K. Basu in 2011 and got a name Basu proposal. In this paper we discuss effects that can be caused by the direct implementation of this proposal. Our game-theoretic model shows that while legalisation of certain bribe-giving occurances can lead to some positive consequences, it is not always a good idea to return bribe to the bribe-giver as suggested by Basu. The chance to get the paid bribe back increases the amount of bribes that end up in corrupt officials' pockets.