S. 37(1) : Business expenditure-Real estate developer–Advertising and business promotion-Corporate brand identity exercise, logo design etc is allowable as deduction as it is not attributable to any particular project -Amount spent on Liaisoning work in relation to a particular project has to be capitalised to concerned project -Method of accounting–AS-7 or AS 9 or ICAI guidance note on accounting for real estate transactions, 2006 cannot be said to be either cash system of accounting or mercantile system of accounting , only up to AY. 2012-13. [S. 145]