In the paper by Weber, Bylicki, and Miksch [Phys. Rev. A 30, 270 (1984)] the ``inversion effect'' of the Hanle and rf double-resonance signals in
NO2 molecules is explained with the questionable assumption of a ``light-induced stability of the optically prepared state.'' We give an alternative explanation of the ``inversion effect'' which is based on the nonstationarity of molecular perturbation by a laser and which is consistent with the present knowledge of interaction of laser light with matter.