The proposed change would correct a cross-reference. Clause 9 of Bill C-3 was deleted at report stage, but the corresponding amendment was not made to clause 4. Then, clause 9 was reinstated at report stage.
Or rather, when clause 9 was deleted, the corresponding amendment was made to clause 4. At report stage, clause 9 was reinstated, but the correction was not made to clause 4. That's the reason for the error.