DWI second, or subsequent offense, is a crime, a Class A misdemeanor, and the State must prove that you have been convicted of DWI within ten years of the offense. If you are charged with a second offense DWI that occur between two and ten years after your first conviction you face a mandatory minimum sentence of three days in the County House of Correction, with up to a year's imprisonment in the discretion of the Judge, immediately followed by seven days in the New Hampshire Multiple DWI Offender Intervention Detention Center, an in-patient alcohol treatment and incarceration facility located in Laconia, N. H; if your prior DWI conviction is within two years of the date of the second arrest, you must serve a minimum of thirty days if convicted, once again followed by the seven days in the Multiple DWI Offender Intervention Detention Center. DWI, 2nd offense also carries a three-year license loss, both maximum and minimum, a minimum fine of $500.00, up to a maximum of $2,000.00, plus a 20% penalty assessment. If you are convicted of a second-offense DWI which occurred within two years of the date of your first conviction, you face a minimum mandatory jail sentence of thirty days, immediately followed by seven days in the Multiple Offender Program. If you are charged with a third offense based on your two prior DWI convictions, you also face higher mandatory minimum penalties, including thirty days in jail and attendance at a residential alcohol treatment program of up to 28 days, and an indefinite license loss, but no less than five years.