Need an EXTENSION. Click “Contact”. March 15 Corporations need form 7004. Go to www.irs.gov/pub/irs-pdf/f7004.pdf. April 15 Individuals need form 4868.  Go to www.irs.gov/pub/irs-pdf/f4868.pdf. Partneships need form 7004.   Go to www.irs.gov/pub/irs-pdf/f7004.pdf. OR call us. We’ll be glad to assist you.