见IRCC官网的文件page 47（11.1 Rights of permanent residents）。
-dongji(冬季阳光);
2020-5-31{334}(#12996489@0)
11.1 Rights of permanent residents
Subsection A27(1) provides that a permanent resident has the right to enter and remain in
Canada subject to the provisions of the Act.
Subsection A19(2) requires an officer to allow a permanent resident to enter Canada if
satisfied following an examination on their entry that they have that status.