Please submit an online query to your faculty PGR support team who will be able to advise you or refer you to the relevant team depending on the nature of your request.
You can find general information on Annual Leave, Authorised Absence, Sickness Leave, Maternity and Paternity Leave in Section E of the Postgraduate Research Student's and Supervisor's Handbook.
General information for international students is also available in Section D of the Postgraduate Research Student's and Supervisor's Handbook.