requirable
/rɪˈkwɪrəbəl/Definitions
1. adjective
capable of being required or demanded; able to be asked for or needed.
“The company’s new policy is requirable, but it may take a few months to implement.”
2. adjective (formal)
required or demanded by law, custom, or necessity.
“The requirable documents for a visa application include a passport and proof of income.”