en_tn/lev/27/26.md

Only the firstborn among animals, because the firstborn already belongs to Yahweh, no man can sanctify it

"No one may set apart the firstborn among animals, since the firstborn already belongs to Yahweh"

and a fifth must be added to that value

AT: "and he must add a fifth to that value" (See: rc://en/ta/man/translate/figs-activepassive)

If the animal is not redeemed, then it is to be sold at the set value

AT: "If the person does not buy back the animal, then the priest may sell it at the set value"