Individuals:
Pay the 2nd installment of 2010 estimated tax with Forms 1040-ES.
Corporations:
Deposit 2nd installment of 2010 estimated tax.
Maryland Businesses:
All extended Personal Property Tax Returns are due.
August
2nd
Employers:
File Form 941, Employers Quarterly Federal Tax Return; quarterly deposit due.
Benefit Plans:
File Forms 5500 or 5500-EZ with IRS. For an extension, file Form 5558.
15th
Exempt Organization:
Three month extension for calendar year 2009 Form 990, 990-EZ, or 990-N is due. Use for 8868 to request an additional three months
