Circular No. 683-Income tax The Board had issued two circulars, Circular No. 523, dated October 5, 1988 (Annex I) and Circular No. 576, dated August 31, 1990 (Annex II) in connection with the procedure to be followed in respect of grant of ‘consent’ by the Central Government in cases involving financial assistance to be given under Direct Tax Laws for rehabilitating sick industries under Sick Industrial Companies (Special Provisions) Act, 1985 (SICA)