For an agreement to be a valid contract, the contracting parties must have legal capacity to enter into transactions.

协议要变成一份有效的合同，缔约方必需具有参加交易的法定资格。

youdao

Substantial requirements and conditions, terms of contract, standards and sub-contracting must be clear and definite.

其中实质性要求、条件、合同条款、标准和分包都必须清晰明确。

youdao

For a agreement to be a valid contract, the contracting parties must have legal capacity to enter into transactions.

如果一个协议要成为一个有效的合同，合同的各方必须具有进行交易的法定行为能力。

youdao

And she went on to say that project management and contracting skills "gained by officials must now be deployed elsewhere in the civil service where these skills have often been found wanting in the past".

BBC: London 2012 Olympic legacy 'needs leadership'

According to the Third Geneva Convention itself (the one covering POWs), for a person to qualify as a POW and be accorded the treatment proscribed in said convention, that person must be affiliated (either regular army or militia meaning some sort of uniform) with a "High Contracting Power" (a state that was party to the convention but for argument's sake we'll say any state).

CENTERFORSECURITYPOLICY: Amnesty ignorant again