<s>[INST] If a person adopts the presumptive taxation scheme of section 44ADA, then he is required to maintain books of account as per section 44AA? [/INST] ​​​​​​​​​In case of a person engaged in a specified profession as referred in sections 44AA(1​) and opts for presumptive taxation scheme of sections 44ADA, the provision of sections 44AA relating to maintenance of books of account will not apply. In other words, if a person opt for the provisions of sections 44ADA and declares income @50% of the gross receipts, then he is not required to maintain the books of account in respect of specified profession. </s>