This gives you until October 15 to file without penalties. You'll receive an electronic acknowledgment once you.You can request an extension: Online using IRS Free File; When you pay your estimated tax bill; Using IRS Form 4868. Intheblanks form required for any matter originating and electronically filed in Supreme or Surrogate's Courts in Richmond County. Need to fill tax extension form? Do not worry, as Tax King Service offers expertise to complete the procedure and avoid penalties. To mail your return directly to us, use the correct mailing address below, depending on whether you expect a refund or owe taxes. Instead, request an extension and get five more months to complete your return. For most people, April 15 is the last day to submit tax returns or to file an extension. Intheblanks form authorizing an individual filing agent to efile documents on behalf of an attorney.