Where is commandment #226 found in the Bible?

This commandment is found in Numbers 6:9, in the book of Numbers.

Positive Commandment #226 of 613

The nazarite must shave his head after bringing sacrifices upon completion of his nazarite period

Q: What is commandment #226 of the 613 commandments?

Commandment #226 is a positive commandment from Numbers 6:9: "The nazarite must shave his head after bringing sacrifices upon completion of his nazarite period." It belongs to the category of Nazirites.

Commandment #226 — a positive obligation from Numbers 6:9, classified under Nazirites in the 613 commandments of the Torah.

Scripture

“But if a man dies very suddenly beside him and he defiles his dedicated head of hair, then he shall shave his head on the day when he becomes clean; he shall shave it on the seventh day.”

— Numbers 6:9

Hebrew

ט וְכִי-יָמוּת מֵת עָלָיו בְּפֶתַע פִּתְאֹם, וְטִמֵּא רֹאשׁ נִזְרוֹ--וְגִלַּח רֹאשׁוֹ בְּיוֹם טָהֳרָתוֹ, בַּיּוֹם הַשְּׁבִיעִי יְגַלְּחֶנּוּ.

Greek (Septuagint)

9 ἐὰν δέ τις ἀποθάνῃ ἐξάπινα ἐπ᾿ αὐτῷ, παραχρῆμα μιανθήσεται ἡ κεφαλὴ εὐχῆς αὐτοῦ, καὶ ξυρήσεται τὴν κεφαλὴν αὐτοῦ ᾗ ἂν ἡμέρᾳ καθαρισθῇ· τῇ ἡμέρᾳ τῇ ἑβδόμῃ ξυρηθήσεται.