A transport document contains the entry: 'UN 1203 PETROL, 3, PG II, (D/E)'. What does the tunnel restriction code '(D/E)' mean for transport in a tank vehicle versus transport in packages under ADR 8.6.4?

1. Passage forbidden through Category D tunnels only, regardless of packaging type
2. Passage permitted through all tunnels if driving at night
3. Passage permitted through Category D and E tunnels in tanks; forbidden in Category A tunnels
4. Passage forbidden through Category D and E tunnels in tanks; forbidden through Category E tunnels in packages