Numbers 31:24
And ye shall wash your clothes on the seventh day, and ye shall be clean, and afterward ye shall come into the camp.
Cross-reference
Numbers 19:19
Parallel
Numbers 19:19 prescribes the same seventh-day washing after impurity — reinforcing this specific purification ritual.
Leviticus 14:9
Parallel
Leviticus 14:9 commands washing clothes on the seventh day for leper cleansing — identical timing and action.
Leviticus 15:13
Parallel
Leviticus 15:13 requires washing clothes on the seventh day after a discharge — the same purification pattern.
Exodus 19:10
Parallel
Exodus 19:10 commands washing garments for consecration before meeting God — a parallel purification practice.