ESV: All the days of his separation he is holy to the LORD.
NIV: Throughout the period of their dedication, they are consecrated to the LORD.
NASB: All the days of his consecration he is holy to the Lord.
CSB: He is holy to the Lord during the time of consecration.
NLT: This requirement applies as long as they are set apart to the Lord.
KJV: All the days of his separation he is holy unto the LORD.
NKJV: All the days of his separation he shall be holy to the Lord.