Section 335 — Regular income

Regular income of any tax year of a registered non-profit organisation
means—
( a) income from any charitable or religious activity, for which such non-
profit organisation is registered, carried out by it in such tax year;
( b) income other than income covered in clause (e), derived from any property,
deposit or investment held wholly for charitable or religious purposes
by such registered non-profit organisation in such tax year;
( c) income other than income covered in clause ( e), derived from any
property, deposit or investment held in part for charitable and religious
purposes by such registered non-profit organisation as referred in section
332(2)(b)(ii) in such tax year;
( d) voluntary contributions received by such registered non-profit organi -
sation in such tax year; and
( e) gains of any commercial activity permissible under sections 344, 345
and 346, carried out by such registered non-profit organisation in such
tax year, computed in such manner, as may be prescribed.