(1)重议
例如重新协商合同或租约的条款。对政府采购合同，也指在合同履行后进行审查以确定是否存有超额利润。政府有权收回超额利润。

(2)再转让；再流通
票据经转让回到原持票人处后，再将其转让出去。

• necessary and indispensable party
• Necessary and Proper Clause
• necessary and proper laws
• necessary business expense
• necessary deposit
• necessary diligence
• necessary domicil
• necessary easement
• necessary expense of business
• necessary expense of public body
• necessary for public use
• necessary household furniture
• necessary implication
• necessary litigation
• necessary municipal buildings
• necessary party
• necessary repairs
• necessary representation
• necessary rule
• necessary tool
• necessary wearing apparel
• necessary work animal
• necessitas
• necessitas culpabilis
• Necessitas est lex temporis et loci.