CSA Notice and Request for Comment – Proposed Amendments to National Instrument 31-103 Registration Requirements, Exemptions and Ongoing Registrant Obligations, National Instrument 81-101 Mutual Fund Prospectus Disclosure, National Instrument 81-102 Investment Funds and National Instrument 81-105 Mutual Fund Sales Practices and Proposed Changes to Companion Policy 31-103 Registration Requirements, Exemptions and Ongoing Registrant Obligations, Companion Policy 81-102 Investment Funds and Companion Policy 81-105 Mutual Fund Sales Practices – The Principal Distributor Model