Parashas Naso · Passuk 6:16
The priest shall present these before GOD and offer the purgation offering and the burnt offering.
Chabad.org — English translation + Rashi
Source: Nazir 45b.
English: “Before Hashem” — it was taught: Wherever it says “before Hashem,” this is the Gate of Nikanor.
In context: The nazir’s concluding rites are localized at the Nikanor Gate, the boundary between the Court of Women and the Court of Israel.
Custom
Chazal identify “before Hashem” in this context with the Gate of Nikanor.