Circular No. 29-IncomeTax Attention is invited to the Board’s Circular Nos. 5-P(LXX-6) of 1968 and 12-P(LXX-7) of 1968 [Clarification 2] which had been duly endorsed to all Chambers of Commerce. References are still being received from the public seeking clarifications regarding the taxability of income under the provisions of sections...