 The Act introduces civil (not criminal) penalties in the form of fines for employers who take on people over the age of 16 who are subject to immigration control (that is, have no entry clearance or leave to remain, or no valid permit to work in the UK).The Act allows immigration officers to request and obtain biometric data (such as fingerprints) from immigration arrivals for the purposes of proving they are the rightful holder of their passport or travel documents.It allows the police to request and obtain advance information on passengers and crew of flights and ships arriving in or leaving the United Kingdom, or those expected to do so.