Most states have an "implied consent" law that requires any driver arrested for driving under the influence to give a blood, breath, or urine sample. These laws also require a driver to provide multiple breath samples, if requested by the police. (Because the breath gas analysis can be inaccurate, police officers sometimes want more than one sample.) Refusal to provide any requested sample results in an automatic suspension of your driver's license for three to twelve months, depending on where you live. Your license remains suspended for this time period, even if you are not convicted of the underlying DUI-related charge.