He/she can apply some documents from Canada consulate or embassy in China to get admission. It is called "travel documents for PR card expired". Check the immigration website. % `! _0 y( ~$ B% u4 W y% h. o/ U # z- {% Y% h9 } N9 O5 o! ]" S! ^By the way, how did he/she apply for the renew? In Canada or outside of Canada? Did he/she apply by themselves or from friend? Thank you.