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What is the structure of your business (sole proprietor, Corp., LLC etc.)?
What is the start date of your business?
Do you have a business license?
Have you filed for and received a TIN for your business?
An S-Corp as you probably are aware is a 'pass-through'. It pays no taxes per-se but passes profits and losses on to the members of the S-Corp.
It is recommended that you file the 1120-S even though there is no activity. It will save you from answering IRS questions in the future.
Thanks again. If you have any other questions, let me know.
Tax Preparer
25+ yrs Experience Personal Income Taxes - Former DM for H&R Block in California
Because this is a pass thru the filing date would correspond with your personal tax return 4/15. The following is a link to an IRS Publication that will be very helpful to you.
http://www.irs.gov/publications/p583/index.html
If you have any further questions please contact me.
Thanks again for allowing Just Answer to be of service to you.