- Essential goods, services, or costs viewed as required or indispensable
- Critical goods, services, or expenses required for supporting a present or former spouse or a child of divorced parents, and for which a spouse or parent can request payment or contribution from the other party
- Indispensable goods or services provided to a ship, the supplier of which can claim a maritime lien
- Essential goods or services given to a minor that, considering the minor's situation, warrant enforcing the minor’s contract for them even if the minor tries to negate it
- The court ruled that the provision of necessaries to the minor was valid, even though the minor tried to disaffirm the contract.
- In the divorce case, the court ordered one spouse to reimburse the other for the necessaries needed to maintain and support their child.
- The supplier provided necessaries to the vessel and, therefore, was entitled to file a maritime lien.