Useful publication from the GMC on the re-validation of doctors.
Frequently asked questions for overseas regulators and overseas organisations on the re-validation of doctors published by the General Medical Council, 2012.
Read the publication here:
You may be eligible for a 50% discount on your registration fee if your income falls below a certain threshold. See the GMC website for details: http://www.gmc-uk.org/doctors/fees/lowerincomes.asp