The right of formation is the rights that the obligee, based on his or her unilateral declaration of will, can lead to the establishment, the change and extinction of legal relationship.

所谓形成权，即指权利人凭借其单方意思表示就能导致法律关系发生、变更或消灭的那些权利。

youdao

Reciprocal unilateral declarations under article 94 take effect on the first day of the month following the expiration of six months after the receipt of the latest declaration by the depositary.

根据第九十四条规定做出的相互单方面声明，应于保管人收到最后一份声明之日起六个月后的第一个月第一天生效。

youdao

Bilateral act has the prior determinative force when both sides agree with each other, and for unilateral act, it just needs declaration of will of one side.

双方行为必须在双方当事人意思表示一致的情况下才能具有先定力，而单方行为只需有一方的意思表示即可生效。

youdao

"Serbia will never under any circumstances recognize the unilateral declaration of independence of the so-called Republic of Kosovo."

VOA: special.2010.07.24

There is no mutual cease-fire agreement between the Israelis and Palestinians -- each side has made its own unilateral declaration of a cease-fire.

CNN: Israel says it plans swift Gaza withdrawal

But if the United States wants to renounce possession of chemical weapons, we could better do so through a unilateral declaration of policy.

CENTERFORSECURITYPOLICY: Toxic treaty: how not to ban chemical weapons

Both Israel and the US have said they will not deal with Hamas, and have until now opposed a unilateral declaration of Palestinian statehood.

BBC: Egypt urges US to back Palestinian state declaration