No! http://www.lawserver.com/law/state/connecticut/ct-laws/connecticut_statutes_26-75

If you are building a pre-ban versus post-ban you will be just wasting your money and commiting a felony. That is unless you aready have a pre ban permit, but then why would you modify what you have. http://www.cga.ct.gov/2009/pub/Chap943.htm#Sec53-202c.htm