List of Income Tax Orders (2019) issued by CBDT for making amendments in the provisions relating to Income Tax Act/ Rules, along with pdf copy download link:

CBDT Income Tax Orders (2019) (No./ Date/ Description)
CBDT Income Tax Order dt. 24 Dec. 2019: ITR/ TAR Due Date Extended (J&K/ Ladakh) upto 31 January 2020. Order dt. 24 Dec. 2019 | Read More
CBDT Income Tax Order dt. 16 Dec. 2019: CBDT extends due date for payment of advance tax installment for FY 2019-20 from 15 Dec. 2019 to 31 Dec. 2019 for all assessees of North Eastern States (i.e Assam, Tripura, Arunachal Pradesh, Meghalaya, Nagaland, Manipur and Mizoram), due to disruption in internet services. Order dt. 16 Dec. 2019
CBDT Income Tax Order dt. 31 Oct. 2019: ITR/ TAR Due Date Extended (J&K/ Ladakh) upto 30 November 2019. Order dt. 31 Oct. 2019 | Read More
Order dt. 23 July 2019
CBDT extends ITR filing due date from 31 July 2019 to 31 August 2019 for AY 2019-20 (FY 2018-19).
CBDT Income Tax Order dt. 4 June 2019: CBDT has extended the due dates for filing of Salary TDS Return (Form 24Q) for the 4th quarter of FY 2018-19 from 31 May 2019 to 30 June 2019 and for issuance of Salary TDS Certificate (Form 16) from 15 June 2019 to 10 July 2019, due to hardships being faced by Deductors in filing the said return in recently notified revised format. Order dt. 4 June 2019

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.