Electronic records inclusion expands tax definitions, treating printouts and digital records as books and documents for tax purposes. Amendments to section 2 extend 'books or books of account' to include ledgers and other books kept in written form or as print outs of data stored on electro magnetic media, and define 'document' to include an electronic record as per the Information Technology Act, 2000. Explanations broaden 'lottery' to include various prize schemes and treat televised or electronic competitive programmes as card or other games. A new clause defines 'insurer' as an Indian insurance company holding a certificate of registration under the Insurance Act, 1938.