Library / Income-tax Act, 2025: The Professional's Master Guide

Appendix A: Section Mapping, 1961 Act to 2025 Act

The sections used most often in practice. For any section not listed, use the mapping utility on the Income Tax Department website.

Topic

Old (1961)

New (2025)

Definitions / Tax Year / Charge / Scope / Residence

2 / 3 / 4 / 5 / 6

2 / 3 / 4 / 5 / 6

Deemed accrual in India

9

9 with Schedule I

Exempt income / Expense for exempt income

10 / 14A

11 with Schedules II to VII / 14

Salary / Perquisites / Deductions from salary

15, 17 / 17(2) / 16, 10(10) etc.

15, 16 / 17 / 19

House property: charge / annual value / deductions

22 / 23 / 24

20 / 21 / 22

Business income / Depreciation / General deduction

28 / 32 / 37

26 / 33 / 34

Employee welfare / Bad debts / Other deductions

36 (various)

29 / 31 / 32

Disallowances

40 / 40A

35 / 36

Payment basis / Deemed profits

43B / 41

37 / 38

Preliminary expenses / Scientific research / Specified business

35D / 35 / 35AD

44 / 45 / 46

Amalgamation and VRS expenses

35DD / 35DDA

52

Stock-in-trade sold below stamp value / Construction contracts

43CA / 43CB

53 / 57

Presumptive: residents / non-residents

44AD, 44ADA, 44AE / 44B, 44BB etc.

58 / 61

Royalty and FTS of non-residents / Head office expenses

44DA / 44C

59 / 60

Books / Tax audit

44AA / 44AB

62 / 63

Capital gains charge / Not transfer / Computation / Cost

45 / 47 / 48 / 49

67 / 70 / 72 / 73

Depreciable assets / Slump sale / Stamp value / Unquoted shares

50 / 50B / 50C / 50CA

74 / 77 / 78 / 79

Exemptions 54 / 54B / 54EC / 54F

54 / 54B / 54EC / 54F

82 / 83 / 85 / 86

Other sources / Deductions / Not deductible

56 / 57 / 58

92 / 93 / 94

Clubbing

64

99

Unexplained credits / investments / assets / expenditure

68 / 69 / 69A / 69C

102 / 103 / 104 / 105

Set off same head / other heads

70 / 71

108 / 109

Carry forward: house property / business / capital loss / speculation

71B / 72 / 74 / 73

110 / 112 / 111 / 113

Losses in amalgamation / Closely held companies / Loss return

72A / 79 / 80

116 / 119 / 121

80C / 80CCD / 80D / 80E / 80G

80C / 80CCD / 80D / 80E / 80G

123 / 124 / 126 / 129 / 133

80-IAC / 80JJAA / 80LA / 80M

80-IAC / 80JJAA / 80LA / 80M

140 / 146 / 147 / 148

80GG / 80TTA and 80TTB / 80U

80GG / 80TTA, 80TTB / 80U

134 / 153 / 154

Rebate / Relief for arrears

87A / 89

156 / 157

DTAA relief / Unilateral relief

90, 90A / 91

159 / 160

Transfer pricing

92 to 92F

161 to 173

Transfer to non-residents / Bond washing / NJA / Thin cap

93 / 94 / 94A / 94B

174 / 175 / 176 / 177

GAAR

95 to 102

Chapter on GAAR (consequences in 181)

STCG equity / LTCG / LTCG equity

111A / 112 / 112A

196 / 197 / 198

Company regimes: manufacturing / concessional / new manufacturing

115BA / 115BAA / 115BAB

199 / 200 / 201

New tax regime (individuals etc.)

115BAC

202

MAT / AMT

115JB / 115JC

206(1) / 206(2)

Non-resident rates on dividend, interest, royalty, FTS

115A

207

PAN / Return / Self assessment / Updated return

139A / 139 / 140A / 140B

262 / 263 / 266 / 267

Inquiry / Assessment / Best judgment / Faceless / DRP

142(1) / 143 / 144 / 144B / 144C

268 / 270 / 271 / 273 / 275

Reassessment / Notice / Procedure / Time limit

147 / 148 / 148A / 149

279 / 280 / 281 / 282

TDS salary / other TDS / TCS / Lower deduction

192 / 193 to 195 / 206C / 197

392 / 393 / 394 / 395

Interest 234A / 234B / 234C / 234D

234A / 234B / 234C / 234D

423 / 424 / 425 / 426

Fees 234E / 234F / Interest on refund

234E / 234F / 244A

427 / 428 / 437

Penalty for under-reporting / Repeal and savings

270A / 297

439 / 536

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