January 10 Communications and air transportation taxes under the alternative method: Deposit the tax included in amounts billed or tickets sold during the first 15 days of December 2017.

January 12 Regular method taxes: Deposit the tax for the last 16 days of December 2017.

January 25 Communications and air transportation taxes under the alternative method: Deposit the tax included in amounts billed or tickets sold during the last 16 days of December 2017.

January 29 Regular method taxes: Deposit the tax for the first 15 days of January.

January 31 Form 720 taxes: File Form 720 for the fourth quarter of 2017.

Wagering tax: File Form 730 and pay the tax on wagers accepted during December 2017.

Heavy highway vehicle use tax: File Form 2290 and pay the tax for vehicles first used in December 2017.

February 12 Communications and air transportation taxes under the alternative method: Deposit the tax included in amounts billed or tickets sold during the first 15 days of January.

February 14 Regular method taxes: Deposit the tax for the last 16 days of January.

February 27 Communications and air transportation taxes under the alternative method: Deposit the tax included in amounts billed or tickets sold during the last 16 days of January.

February 28 Wagering tax: File Form 730 and pay the tax on wagers accepted during January.

Heavy highway vehicle use tax: File Form 2290 and pay the tax for vehicles first used in January.

March 1 Regular method taxes: Deposit the tax for the first 15 days of February.

March 12 Communications and air transportation taxes under the alternative method: Deposit the tax included in amounts billed or tickets sold during the first 15 days of February.

March 14 Regular method taxes: Deposit the tax for the last 13 days of February.

March 27 Communications and air transportation taxes under the alternative method: Deposit the tax included in amounts billed or tickets sold during the last 13 days of February.

March 29 Regular method taxes: Deposit the tax for the first 15 days of March.

April 2 Wagering tax: File Form 730 and pay the tax on wagers accepted during February.

Heavy highway vehicle use tax: File Form 2290 and pay the tax for vehicles first used in February.

April 11 Communications and air transportation taxes under the alternative method: Deposit the tax included in amounts billed or tickets sold during the first 15 days of March.

April 13 Regular method taxes: Deposit the tax for the last 16 days of March.

April 25 Communications and air transportation taxes under the alternative method: Deposit the tax included in amounts billed or tickets sold during the last 16 days of March.

April 27 Regular method taxes: Deposit the tax for the first 15 days of April.

April 30 Form 720 taxes: File Form 720 for the first quarter of 2018.

Wagering tax: File Form 730 and pay the tax on wagers accepted during March.

Heavy highway vehicle use tax: File Form 2290 and pay the tax for vehicles first used in March.

May 10 Communications and air transportation taxes under the alternative method: Deposit the tax included in amounts billed or tickets sold during the first 15 days of April.

May 14 Regular method taxes: Deposit the tax for the last 15 days of April.

May 25 Communications and air transportation taxes under the alternative method: Deposit the tax included in amounts billed or tickets sold during the last 15 days of April.

May 29 Regular method taxes: Deposit the tax for the first 15 days of May.

May 31 Wagering tax: File Form 730 and pay the tax on wagers accepted during April.

Heavy highway vehicle use tax: File Form 2290 and pay the tax for vehicles first used in April.

June 12 Communications and air transportation taxes under the alternative method: Deposit the tax included in amounts billed or tickets sold during the first 15 days of May.

June 14 Regular method taxes: Deposit the tax for the last 16 days of May.

June 27 Communications and air transportation taxes under the alternative method: Deposit the tax included in amounts billed or tickets sold during the last 16 days of May.

June 29 Regular method taxes: Deposit the tax for the first 15 days of June.

July 2 Wagering tax: File Form 730 and pay the tax on wagers accepted during May.

Heavy highway vehicle use tax: File Form 2290 and pay the tax for vehicles first used in May.

Floor stocks tax for ozone depleting chemicals(IRS No. 20): Deposit the tax for January 1, 2018.

Occupational excise taxes: File Form 11-C to register and pay the annual tax if you are in the business of accepting wagers.

July 11 Communications and air transportation taxes under the alternative method: Deposit the tax included in amounts billed or tickets sold during the first 15 days of June.

July 13 Regular method taxes: Deposit the tax for the last 15 days of June.

July 25 Communications and air transportation taxes under the alternative method: Deposit the tax included in amounts billed or tickets sold during the last 15 days of June.

July 27 Regular method taxes: Deposit the tax for the first 15 days of July.

July 31 Form 720 taxes: File Form 720 for the second quarter of 2018.

Wagering tax: File Form 730 and pay the tax on wagers accepted during June.

Heavy highway vehicle use tax.File Form 2290 and pay the tax for vehicles first used in June.

August 10 Communications and air transportation taxes under the alternative method: Deposit the tax included in amounts billed or tickets sold during the first 15 days of July.

August 14 Regular method taxes: Deposit the tax for the last 16 days of July.

August 27 Communications and air transportation taxes under the alternative method: Deposit the tax included in amounts billed or tickets sold during the last 16 days of July.

August 29 Regular method taxes: Deposit the tax for the first 15 days of August.

August 31 Heavy highway vehicle use tax: File Form 2290 and pay the tax for vehicles first used in July.

Wagering tax: File Form 730 and pay the tax on wagers accepted during July.

September 12 Communications and air transportation taxes under the alternative method: Deposit the tax included in amounts billed or tickets sold during the first 15 days of August.

September 14 Regular method taxes: Deposit the tax for the last 16 days of August.

September 26 Communications and air transportation taxes under the alternative method: Deposit the tax included in amounts billed or tickets sold during the last 16 days of August.

September 28 Regular method taxes: Deposit the tax for the first 15 days of September.

Regular method taxes (special September deposit rule): Deposit the tax for the period beginning September 16 and ending September 26.

Communications and air transportation taxes under the alternative method (special September deposit rule): Deposit the tax included in amounts billed or tickets sold during the period beginning September 1 and ending September 11.

October 1 Wagering tax: File Form 730 and pay the tax on wagers accepted during August.

Heavy highway vehicle use tax: File Form 2290 and pay the tax for vehicles first used in August.

October 11 Communications and air transportation taxes under the alternative method (special September deposit rule): Deposit the tax included in amounts billed or tickets sold during the period beginning September 12 and ending September 15.

October 12 Regular method taxes (special September deposit rule): Deposit the tax for the last 4 days of September.

October 25 Communications and air transportation taxes under the alternative method: Deposit the tax included in amounts billed or tickets sold during the last 15 days of September.

October 29 Regular method taxes: Deposit the tax for the first 15 days in October.

October 31 Form 720 taxes: File Form 720 for the third quarter of 2018.

Wagering tax: File Form 730 and pay the tax on wagers accepted during September.

Heavy highway vehicle use tax: File Form 2290 and pay the tax for vehicles first used in September.

November 13 Communications and air transportation taxes under the alternative method: Deposit the tax included in amounts billed or tickets sold during the first 15 days of October.

November 14 Regular method taxes: Deposit the tax for the last 16 days of October.

November 27 Communications and air transportation taxes under the alternative method: Deposit the tax included in amounts billed or tickets sold during the last 16 days of October.

November 29 Regular method taxes: Deposit the tax for the first 15 days of November.

November 30 Wagering tax: File Form 730 and pay the tax on wagers accepted during October.

Heavy highway vehicle use tax: File Form 2290 and pay the tax for vehicles first used in October.

December 12 Communications and air transportation taxes under the alternative method: Deposit the tax included in amounts billed or tickets sold during the first 15 days of November.

December 14 Regular method taxes: Deposit the tax for the last 15 days of November.

December 27 Communications and air transportation taxes under the alternative method: Deposit the tax included in amounts billed or tickets sold during the last 15 days of November.

December 28 Regular method taxes: Deposit the tax for the first 15 days of December.

December 31 Wagering tax: File Form 730 and pay the tax on wagers accepted during November.

Heavy highway vehicle use tax: File Form 2290 and pay the tax for vehicles first used in November.