Welcome to the FAQ website covering document topics in Canada.
WE AS A FAMILY (ME MY WIFE MY ELDER SON 17 YEARS OLD AND YOUNGER SON 13 YEARS OLD) APPLIED FOR CITIZENSHIP AND ALL THREE CLEARED THE EXAM. NOW THE OATH Ceremony IS ON 7TH DEC/2016 BUT MY ELDER SON WHO IS UBC HAS FINAL EXAM. IS IT POSSIBLE THAT WE TAKE OATH NOW AND HE WILL TAKE OATH LATTER ON.
Your son can ask to have his Canadian citizenship oath date moved but he needs to request this of IRCC as soon as possible.