If a cargo load is completely within the 'Limited Quantity' (LQ) limits of ADR 3.4, which of the following is correct?

1. The vehicle must display plain orange plates at the front and rear
2. The driver must hold a valid CILT ADR Driver Training Certificate
3. The packages must be marked with the standard black-tipped diamond Limited Quantity mark
4. The driver must carry the four-page Instructions in Writing in the cab