The IHS was introduced in April 2015 in a clampdown to so-called “Health Tourism”. It applies to migrants from outside the European Economic Area (EEA) who want to stay in Britain for at least six months. The main rate at that time was set at £200 per annum which meant that an applicant applying for spouse entry clearance or an applicant applying for a work visa under the Points based System (PBS) faced an additional cost of £500 on top…