The quasigroup approach to the conservation laws [Phys. Rev. D 56 (1997) R7
498] is completed by imposing new gauge conditions for asymptotic symmetrie
s. Noether charge associated with an arbitrary element of the Poincare quas
ialgebra is free from the supertranslational ambiguity and identically vani
shes in a flat spacetime. (C) 1998 Published by Elsevier Science B.V.