May 15, 2018
- Texas LLC tax filings are due.
June 1, 2018
- Delaware LLC tax filings are due.
June 15, 2018
- Second quarter 2017 estimated tax payments are due.
- Personal and Single Member LLC Income tax returns for US Citizens and Residents Aliens living outside the United States are due.
June 20, 2018
- New York State Sales Tax Returns for Quarterly Filers for March 1, 2018 – May 31, 2018 are due.
August 15, 2018
- Nevada commerce tax is due.
Sept. 17, 2018
- Third quarter 2018 estimated tax payments are due.
- C-Corporation Tax Returns on extension are due.
- S-Corporation Tax Returns on extension are due.
- Multi-Member LLC and Partnership Tax Returns on extension are due.
Sept. 20, 2018
- New York State Sales Tax Returns for Quarterly Filers for June 1, 2018 – August 31, 2018 are due.
Oct. 15, 2018
- Report of Foreign Bank and Financial Accounts (FBAR) on extension are due.
- Personal and Single Member LLC Income tax returns on extension are due.
Dec. 20, 2018
- New York State Sales Tax Returns for Quarterly Filers for September 1, 2018 – November 30, 2018 are due by December 20, 2018.
Please visit www.tax.gov/calendar for additional information.