JURISPRUDENCE phtaxationlibrary.online 2001 Supreme Court cases Commissioner of Internal Revenue vs. Isabela Cultural Corporation G.R. No. 135210, 11 July 2001, 3rd Div., J. Panganiban Dr. Felisa L. Vda. De San Agustin vs. Commissioner of Internal Revenue G.R. No. 138485, 10 September 2001, 3rd Div., J. Vitug Sea-Land Service, Inc. vs. Court of Appeals, et al. G.R. No. 122605, 30 April 2001, 1st Div., J. Pardo Talusan, et al. vs. Tayag, et al. G.R. No. 133698, 4 April 2001, 3rd Div., J. Panganiban
