Section 2: Definitions.

(11)  “block of assets” means a group of assets falling within a class of assets comprising—

(a)  tangible assets, being buildings, machinery, plant or furniture ;

(b)  intangible assets, being know-how, patents, copyrights, trade-marks, licences, franchises or any other business or commercial rights of similar nature,

in respect of which the same percentage of depreciation is prescribed ;

(12)  “Board” means the Central Board of Direct Taxes constituted under the Central Boards of Revenue Act, 1963 (54 of 1963) ;

(12A) “books or books of account” includes ledgers, day-books, cash books, account-books and other books, whether kept in the written form or as print-outs of data stored in a floppy, disc, tape or any other form of electro-magnetic data storage device;

(13) “business” includes any trade, commerce or manufacture or any adventure or concern in the nature of trade, commerce or manufacture;

(13A) “business trust” means a trust registered as,—

(i)  an Infrastructure Investment Trust under the Securities and Exchange Board of India (Infrastructure Investment Trusts) Regulations, 2014 made under the Securities and Exchange Board of India Act, 1992 (15 of 1992); or

(ii)  a Real Estate Investment Trust under the Securities and Exchange Board of India (Real Estate Investment Trusts) Regulations, 2014 made under the Securities and Exchange Board of India Act, 1992 (15 of 1992), and

the units of which are required to be listed on recognised stock exchange in accordance with the aforesaid regulations;