81. Parliament may be law formulate principles for determining when a sale or purchase of goods takes place in any of the ways under Article:
(1) 288
(2) 286
(3) 287
(4) 289
82. The Property and Income of a state shall be exempt from Union Taxation under Article:
(1) 289
(2) 288
(3) 290
(4) 293
83. Parliament may be law to vary or revoke, whether prospectively or retrospectively the conditions of Service of officers of certain services under Article:
(1) 312
(2) 311
(3) 312-A
(4) 310
84. Prior recommendation of President required to Bills affecting taxation in which states are interested – under Article:
(1) 274
(2) 275
(3) 276
(4) 284
85. The Economy, Efficiency and Effectiveness of Audit discussed under para of Chapter-17.
(1) 17-7
(2) 17-11
(3) 17-1
(4) 18-1
GOOD