18个月的毕业工签延期是否需要1月27号开始就在加拿大才能申请

看到官网关于18个月的工签延期说明要求有这一条：You were in Canada as of January 27, 2021, when the public policy took effect, and have stayed in Canada since then. 但是看到猴哥的文章说的是只要在境内就能申请，甚至可以办旅游签回来加拿大再申请，但这样不是不符合上面这条要求吗？应该以哪个为准呢？