Leviticus 6:28
But the earthen vessel wherein it is sodden shall be broken: and if it be sodden in a brasen pot, it shall be both scoured, and rinsed in water.
Cross-reference
In Leviticus 11:33, the same rule applies to clay pots: they become unclean and must be broken, reinforcing the principle of porous vessels absorbing impurity.
In Leviticus 15:12, the same law about clay pots being broken applies to anyone with a discharge, showing a consistent purity regulation for contaminated earthenware.
Leviticus 11:35 commands breaking earthen ovens touched by carcasses — directly parallels the breaking of sin-offering vessels here.
Leviticus 8:31 also involves boiling holy meat, though for ordination; both show procedures for handling sacrificial food.
Leviticus 11:32 gives similar cleansing rules for items contaminated by dead animals — both require washing or breaking.
In Hebrews 9:9, the sacrificial system is called a 'symbol for the present time' — this verse's clay pot rule illustrates how external purity laws pointed to deeper spiritual realities.
Hebrews 9:10 summarizes OT ceremonial regulations like those here — washings and vessel rules imposed until Christ.