Parashas Naso · Passuk 6:04
Throughout their term as nazirite, they may not eat anything that is obtained from the grapevine, even seeds or skin.bseeds or skin Meaning of Heb. ḥarṣannim and zag uncertain.
Chabad.org — English translation + Rashi
Source: Nazir 34b.
English: “All the days of his naziriteship” — a nazir whose days have been completed and who then drinks wine is liable to lashes.
In context: Even after the term ends, until the concluding offerings and haircutting are performed, the prohibitions remain in force.
Custom
Chazal teach that the nazir’s restrictions continue until the full discharge ritual is completed.