Circular No. 187-Income Tax Attention is invited to the Board’s Circular No. 187 [F. No. 473/15/73-FTD], dated 23-12-1975 [Clarification 2] on the above subject laying down the guidelines for the grant of approval under section 80-O. The Board has had occasion to re-examine the aforesaid guidelines and it has been decided to modify the guidelines to the extent indicated below