[Author] Apushkinskaya, D. E.; Nazarov, A. I. [Title] Boundary Point Principle for divergence type parabolic equations with principal coefficients discontinuous in time [preliminary version] [AMS Subj-class] 35B45 A priori estimates in context of PDEs 35K10 Second-order parabolic equations [Abstract] We provide a new version of the Zaremba-Hopf-Oleinik boundary point lemma for general parabolic equations in divergence form under the sharp requirements on the coefficients of equation and on the boundary of domains. [Comments] English, 16 pp. [Contact e-mail] al.il.nazarov@gmail.com