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Solutions for Your Practice

Tax

Customize your tax strategy to minimize your tax liability and maximize profitability.

Practice Consulting

Optimize your practice productivity with our practice management solutions.

Retirement/Pension

Start planning for the future you deserve with our pension and retirement services.

Financials

Capitalize on opportunities with our comprehensive financial analysis and reporting.

Payroll & Human Resources

Recruit and retain top-tier employees in an increasingly competitive industry.

PERSONALIZED SOLUTIONS

Find the right solutions with MAHAN’s integrated service delivery platform.

Tax Calendar – Important Dates

JANUARY

15 January

  • Individual Q4 1040 Est. Tax Pmts. Due

MARCH

01 March

  • Personal Property Schedule B's Due

15 March

  • File C Corporation 1120 Returns or Form 7004 6 Month Extension
  • File S Corporation 1120S Returns or Form 7004 6 Month Extension

APRIL

15 April

  • File Individual 1040 Returns or Form 4868 6 Month Extension
  • Individual Q1 1040 Est. Tax Pmts. Due
  • File Partnership 1065 Returns or Form 7004 5 Month Extension
  • Corporation Q1 Estimated Tax Deposits Due

JUNE

15 June

  • Individual Q2 1040 Est. Tax Pmts. Due
  • Corporation Q2 Estimated Tax Deposits Due

SEPTEMBER

15 September

  • Extended C Corporation 1120; S Coporation 1120S; Partnership 1065 Returns Due
  • Individual Q3 1040 Est. Tax Pmts. Due
  • Corporation Q3 Estimated Tax Deposits Due

OCTOBER

15 October

  • Extended Individual 1040 Returns Due

DECEMBER

15 December

  • Corporation Q4 Estimated Tax Deposits Due