If it was paid, it should be closed, but they may refer to it as paid in settlement/less than full balance, etc. It should, however, show a zero balance. You can dispute through the CRA that it should be closed, and you might try a GW to the CA.
Ficos
3/7/08 TU-646 EQ-640 EX-650
3/17/09 TU-678 EQ 666
3/20/12 TU- 760 EQ 785
Util almost 0 and baddies all gone! now to gardening!