The phrase "additional party" is correct and usable in written English.
It can be used in legal or formal contexts to refer to another individual or entity involved in an agreement or situation.
Example: "The contract must be signed by all parties, including any additional party that may be involved in the transaction."
Alternatives: "extra participant" or "supplementary party".
In addition to direct theft, scientists wanted to see what children did when an additional party stepped in.
In August, Zhejiang approved a provincewide rollout, though with additional party controls.
An additional party can be added to the case as a mediator, either from the beginning or at any time during the negotiation.
In 1922 Khrushchev secured admission to a new Soviet workers' school in Yuzovka, where he received a secondary education along with additional party instruction.
I extend this line of research by considering an additional party, individual auditors, in relation to reported effective tax rates consistent the notion from Scholes et al. (2015).
In spite of these limitations, the findings of this paper provide new insights into the role of individual auditors both for academics and practitioners and emphasize the importance of regarding individual auditors as an additional party to corporate tax reporting.
Additional parties have also asked to intervene on behalf of the petitioners challenging the Clean Power Plan rule.
(Subsequently, two additional parties were permitted in Slovakia, but too late for the election in 1946).
"There is a real possibility that we will be adding additional parties," Valerie Ann Szczepanik, a lawyer for the Securities and Exchange Commission, said at a Manhattan court hearing in the civil case.
In order to enable more convenient applications of the tools in the design process and instigate the interests of additional parties of relevance, we have added entertainment function to the design tools.
Moreover, the United States notes that "excluding guarantors from the definition of 'applicant' would not necessarily prevent the invalidation of a guarantee obtained in violation of the Additional Parties Rule". See id. at 35.
