Numbers 6:4
All the days of his separation shall he eat nothing that is made of the vine tree, from the kernels even to the husk.
Cross-reference
Numbers 6:5
Parallel
Numbers 6:5 adds the no-razor rule, another key Nazirite restriction alongside the grape prohibition.
Numbers 6:8
Parallel
Numbers 6:8 declares the Nazirite holy during separation, giving the theological basis for the dietary rule in verse 4.