Stamp taxes. Regulations 71, revised July, 1932, relating to stamp taxes on issues and transfers of stocks and bonds, sales of produce for future delivery, passage tickets, foreign insurance policies, and deeds of conveyance under title 8 of revenue act of 1926, as amended by title 2, pt. 5, of revenue act of 1928 and title 5, pt. 3, of revenue act of 1932.