Necessary
A Law Dictionary and Glossary · George C. Kinney · 1893
A Law Dictionary and Glossary
Indispensably requisite; in a sense less strict, needful, requisite, incidental, useful or conducive to. Necessary domicil: that kind of domicil which exists by operation of law, as distinguished from domicil of choice.
Tn Scots law
Necessary intromission: intromission or interference for preservation where a husband or wife continues in possession of the other's goods after the decease of the other.