| 16A Prescribed authority for approving any institution or body established for scientific research | 
		| 16B Prescribed authority for the purposes of clauses (8A) and (8B) of section 10 | 
		| 16C Requirements for approval of a fund under section 10(23AAA) | 
		| 16CC Prescribed form of audit report under tenth proviso to section 10(23C) | 
		| 16D   Form of Report for claiming deduction under section 10A | 
		| 16DD   Form of particulars to be furnished along with return of income for claiming deduction under clause (b) of sub-section (1B) of section 10A | 
		| 16E   Form of Report for claiming deduction under section 10B | 
		| 16F   Form of Report for claiming deduction under section 10BA | 
		| 17 Exercise of option etc under section 11. | 
		| 17A Application for registration of charitable or religious trusts, etc. | 
		| 17B   Audit report in the case of charitable or religious trusts, etc. | 
		| 17C Forms or modes of investment or deposits by a charitable or religious trust or institution | 
		| 17CA Functions of Electoral Trusts | 
		| 17CB Method of valuation for the purposes of sub-section (2) of section 115TD | 
		| 17D   Prescribed foreign projects for the purposes of deduction in respect of profits and gains from projects outside India under section 80HHB | 
		| 18 Accommodation and amenities to be provided by hotels. | 
		| 18A Prescribed authority to certify the daily average number of rehabilitated employees in an industrial undertaking. | 
		| 18AB. Furnishing of Statement of particulars and certificate | 
		| 18AA Prescribed authority for approval of a hotel under section 80CC. | 
		| 18AAA Prescribed authority for approval of a University or any educational institution of national eminence for the purpose of section 80G | 
		| 18AAAA Prescribed authority for the purpose of receiving separate accounts from trusts or funds or institutions for providing relief to the victims of earthquake in Gujarat | 
		| 18AAAAA Guidelines for specifying an association or institution for the purposes of notification under clause (c) of sub-section (2) of section 80G | 
		| 18AAB   Prescribed authority for approval of companies engaged in Scientific and Industrial Research and Development for the purposes of section 80-IA | 
		| 18B   Form of audit report for claiming deduction under section 80HH | 
		| 18BB Form of audit report for claiming deduction under section 80HHA | 
		| 18BBA Form of reports for claiming deduction under section 80HHB or under section 80HHC or under section 80HHD and prescribed authority under section 80HHD | 
		| 18BBB Form of audit report for claiming deduction under section 80-I or section 80-IA or section 80-IB | 
		| 18BBC Prescribed authority for approval of hotels located in certain areas | 
		| 18BBD   Prescribed authority for approval of companies carrying on Scientific and Industrial Research and Development | 
		| 18BBE Computation of profits of certain activities forming integral part of a highway project for the purpose of section 80-IA | 
		| 18C Eligibility of Industrial Parks for benefits under section 80-IA (4)(iii) | 
		| 18D Prescribed authority for approval of companies carrying on scientific research and development | 
		| 18DA Prescribed conditions for deduction under sub-section (8A) of section 80-IB | 
		| 18DB Prescribed area, facilities and amenities for multiplex theatres and particulars of audit report, for deduction under sub-section (7A) and clause (da) of sub-section (14) of section 80-IB | 
		| 18DC Prescribed area, facilities and amenities for convention centres and particulars of audit report, for deduction under sub-section (7B) and clause (aa) of sub-section (14) of section 80-IB | 
		| 18DD   Form of report for claiming deduction under sub-section (11B) of section 80-IB | 
		| 18DDA Form of report for claiming deduction under sub-section (11C) of section 80-IB | 
		| 18DE Prescribed area, minimum seating capacity, facilities and amenities for convention centres; minimum number of convention halls in the convention centres; and particulars of audit report, for deduction under section 80-ID | 
		| 19 Computation of capital employed in an industrial undertaking or a hotel. | 
		| 19A Computation of capital employed in an industrial undertaking or a ship or the business of a hotel for the purposes of section 80J. | 
		| 19AB Form of report for claiming deduction under section 80JJAA | 
		| 19AC   Form of certificate to be furnished under sub-section (3) of section 80QQB | 
		| 19AD   Prescribed authority for purposes of sub-section(2) of section 80RRB and form of certificate to be furnished under sub-section(2) of section 80RRB | 
		| 19AE   Form of report of accountant to be furnished under sub-section(3) of section 80LA | 
		| 20 Guidelines for approval under clause (xix) of sub- section (2) of section 80C or under clause (xvi) of sub-section (2) of section 88 | 
		| 20A Guidelines for approval under clause (xx) of sub- section (2) of section 80C or under clause (xvii) of sub-section (2) of section 88 | 
		| 20AB   Evidence of payemnt of security transaction tax for claiming deduction under section 88E | 
		| 21 Limits for life insurance premia in the case of authors, etc. | 
		| 21A Relief when salary is paid in arrears or in advance, etc. | 
		| 21AA   Furnishing of particulars for claiming relief under section 89(1) | 
		| 21AB Certificate for claiming relief under an agreement referred to in section 90 and 90A | 
		| 21AC Furnishing of authorisation and maintenance of documents etc. for the purposes of section 94A. | 
		| 21AD Exercise of option under sub-section (4) of section 115BA | 
		| 21AE. Exercise of option under sub-section (5) of section 115BAA | 
		| 21AF. Exercise of option under sub-section (7) of section 115BAB. | 
		| 21AG Exercise of option under sub-section (5) of section 115BAC | 
		| 21AH Exercise of option under sub-section (5) of section 115BAD | 
		| 21AI Computation of exempt income of specified fund for the purposes of clause (4D) of section 10 | 
		| 21AJ Determination of income of a specified fund attributable to units held by non-residents under sub-section (1A) of section 115AD | 
		| 21B Relief when interest on securities is received in arrears. | 
		| 21AK Conditions for the purpose of clause (4E) of section 10 | 
		| 21AAA Taxation of income from retirement benefit account maintained in a notified country | 
		| 21AJA Computation of exempt income of specified fund, attributable to the investment division of an offshore banking unit, for the purposes of clause (4D) of section 10 of the Act | 
		| 21AJAA Determination of income of a specified fund attributable to the investment division of an | 
		| 21AIA Other conditions required to be fulfilled by a specified fund referred to in clause (4D) of section | 
		| 21AL  Other Conditions required to be fulfilled by the original fund | 
		| 17AA Books of account and other documents to be kept and maintained | 
		| 21AGA Exercise of option under sub-section (6) of section 115BAC | 
		| 21ACA  “Conditions and activities for the Finance Company located in any International Financial Services Centre | 
		| 21AHA.   Exercise of option under sub-section (5) of section 115BAE |