For minors (below 18):
both parents must sign on the application form. If either one or both parents not travelling, a consent letter signed by the parent(s) not travelling is required.
For minor applicants intending to travel without their parents/legal guardians:
the application has to be submitted by parents/legal guardians who must present the minor's original plus one copy birth certificate and give their written consent. If parents/legal guardians are not present in Singapore their written consent should be legalized by the relevant embassy, in the place of residence of the parents/legal guardians.
must provide proof enrollment at a Singapore educational institution. Original letter from the school and a copy of the school pass.