Here are the federal and provincial government PDF forms as well as the forms for the companies registrar.
Business Consent (RC59)
Employers' Guide : Payroll Deductions and Remittances (T4001)
Employers' Guide : Taxable Benefits (T4130)
Personal Tax Credits Return (TD1)
Guide for Employers : Source Deductions and Contributions (TP-1015.G-V)
Power of Attorney, Authorization to Communicate Information, or Revocation (MR-69-V)
Source Deductions Return (TP-1015.3-V)
* Click the links using your left (primary) mouse button to view the documents or click the right button and choose “Save target as…” to download them.