List of Income Tax Circulars (2019) issued by CBDT for making amendments in provisions of Income Tax Act/ Rules, along with pdf copy download link.

CBDT Income Tax Circular No./ Date/ Particulars
Circular 31/2019 dt. 19 Dec. 2019: CBDT extends due date for TDS payment u/s 194M and furnishing Form 26QD from 31 Oct./ 30 Nov. 2019 (for Sept./ Oct. 2019) to 31 Dec. 2019, i.e. interest on delayed TDS payment is waived due to delayed deployment of relevant utility. Further, due date of furnishing TDS certificate (Form 16D) also extended upto 15 Jan. 2020.
Circular 29/2019 dt. 2 Oct. 2019: CBDT clarifies issues relating to allowability of brought forward loss (on account of additional depreciation) and MAT credit in the case of domestic companies exercising option for lower tax rate u/s 115BAA.
Circular 28/2019 dt. 27 Sept. 2019: CBDT extends due date for filing of Form 10B from 30 sept. 2019 to 31 March 2020 in respect of AY 2016-17 and 2017-18.
Circular 27/2019 dt. 26 Sept. 2019: CBDT issues guidelines for conducting electronic assessments during financial year 2019-20 through ‘E-Proceeding’ facility
Circular 26/2019 dt. 26 Sept. 2019: CBDT issues further 9 Clarifications on Filling Up of new Income Tax Return (ITR) forms applicable for FY 2018-19/ AY 2019-20.
Circular 21/2019 dt. 27 Aug. 2019: CBDT issues further 2 Clarifications on Filling Up of new Income Tax Return (ITR) forms applicable for FY 2018-19/ AY 2019-20.
CBDT Income Tax Circular 19/2019 dt. 14 Aug. 2019: CBDT prescribes revised procedure for issuance of Income Tax Notice, etc. to Taxpayers, from 1 October 2019, whereby each communication shall quote a computer generated Document Identification Number (DIN) to maintain proper audit trail and transparency of all IT communications. Circular 19/2019
Circular 18/2019 dt. 8 Aug. 2019: CBDT issues 19 Clarifications on Filling Up of new Income Tax Return (ITR) forms applicable for FY 2018-19/ AY 2019-20.
Circular 09/2019 dt. 14 May 2019: Clause 30C (GAAR) and 44 (GST) of Revised 3CD further deferred upto 31 March 2020.
Circular 5/2019 dt. 5 Feb. 2019: CBDT decides that monetary limits for filing of appeals in Income tax cases shall also apply to Wealth Tax appeals/ matters.
Circular 4/2019 dt. 28 Jan. 2019: CBDT clarifies that ‘Official Assignees (OA)’ are different from ‘Representative Assessees (RA)’. Further, that OA shall have the Status of an ‘Artificial Juridical Person (AJP) under the Income Tax Act, 1961 who is liable to obtain PAN and File ITR in respect of the income from Estate of the Insolvent vested in him.
Circular 1/2019 dt. 1 Jan. 2019: CBDT issued Guidelines/ Circular on ‘Income Tax Deduction from Salary (i.e. TDS on Salary)’ u/s 192 of Income Tax Act, 1961 in respect of FY 2018-19 (AY 2019-20). Further, CBDT has issued Corrigendum 1 & 2 to this Circular subsequently.

CBDT Updates (Income Tax)
For downloading various Income Tax Circulars, Instructions, Notifications, Orders, Press Releases, etc. issued by the Central Board of Direct Taxes (CBDT) in different years, please refer the following links:
CBDT Circulars: 2020, 2019, 2018, 2017
CBDT Instructions: 2020, 2019, 2018
CBDT Notifications: 2020, 2019, 2018, 2017
CBDT Orders: 2020, 2019, 2018, 2017
CBDT Press Releases: 2020, 2019, 2018
Note: For Official/ updated copy of relevant Circulars/ Instructions/ Notifications/ Orders, please visit the Income Tax Deptt. website.