2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/34858The quasigroup approach to the conservation laws (Phys. Rev. D56, R7498 (1997)) is completed by imposing new gauge conditions for asymptotic symmetries. Noether charge associated with an arbitrary element of the Poincaré quasialgebra is free from the supertranslational ambiquity and identically vanishes in a flat spacetimeRevtex4 styleGeneral Relativity and Quantum Cosmologytext