I found the answer on the CIC web;7 h. } Y* f, A# r/ _3 ~* D
"The certificate must have been issued no more than three months before you submit your application" ! |+ H5 @6 b9 D) f+ j* z7 l1 I7 x & h8 ~0 O* m. M @# L/ FOurs were more than one year when we applied.