(3)a copy of the acknowledgement of receipt from your post-graduation work permit (PGWP) application 提交PGWP 确认信 (4)a copy of your WP-EXT for PGWP (IMM 0127 E) letter PGWP 工作许可豁免信 资料来源:How can I show a potential employer I’m allowed to work while I wait for my post...