If a vehicle carries dangerous goods under the small load exemption (ADR 1.1.3.6), is a transport document still mandatory?

1. Yes, a transport document is still required showing the quantities and transport category of the goods
2. No, the transport document is fully exempted under 1.1.3.6
3. No, the driver only needs to carry a blank delivery note
4. Yes, but only if carrying Class 8 corrosive substances