T4
noun /ˌtiː ˈfɔː(r)/
/ˌtiː ˈfɔːr/
(also T4 slip
/ˌtiː ˈfɔː slɪp/
/ˌtiː ˈfɔːr slɪp/
)- (in Canada) a piece of paper your employer gives you that you attach to your income tax form that states how much money you earned and how much income tax you paid