After Heydar Aliyev assumed the interim presidential responsibilities as the Speaker of the National Assembly of Azerbaijan in June 1993, Tahir Aliyev was appointed Chairman of State Customs Committee on July 28, 1993. Due to excessive corruption practices and illegal deals conducted by Tahir Aliyev, he was dishonorably relieved of his duties and sacked by President Heydar Aliyev on January 9, 1995.
