Even while accepting the Russian plan, IMF Managing Director Michel Camdessus noted that the efficiency of Russia's State Taxation Service "is declining rapidly."
Russia's State Taxation Service is increasing in efficiency. 
( z1 increase :ARG1 ( z2 efficient :ARG1 ( z3 government-organization :name ( z4 name :op "State" :op "Taxation" :op "Service" ) :mod ( z5 country :name ( z6 name :op "Russia" ) ) ) ) )