The phrase "affects the party" is correct and usable in written English.
It can be used in contexts where you are discussing the impact of an action or decision on a specific group or individual involved in a situation.
Example: "The new policy changes significantly affects the party involved in the negotiations."
Alternatives: "impacts the party" or "influences the party".
The Lib Dems' ruling federal executive, which must approve any deal which affects the party's political independence, was meeting this evening and a further meeting of the Lib Dem MPs is expected to be held later in the day.
Entailments about disease affecting human health constitute our understanding about the ways in which corruption affects the party government.
Any sign of popular public anger is a threat to the Vietnamese Communist party and, over loudspeakers, authorities told protesters "Your gathering causes disorder and affects the party's and government's foreign policy".
It is a matter of history now that on this issue because it affects the majorities, it affects the parties and it affects our own re-election.
Has the investigation affected the party platforms in the election?
"They say it won't affect the party meeting," the analyst said.
The Sun, which carried only two pages, saw the affair as part of "the stink of scandal" affecting the party.
It was decided in 1998 and controls anything that could "affect the party's independence of political action".
White evangelicals remain the most reliable Republican voting block, and their views affect the party's platform.
"The consequences of continuing with the status quo are dire and will affect the party's electoral outlook in the years to come".
Howard Wolfson, the executive director of the Democratic Congressional Campaign Committee, said any Congressional redistricting plan by Albany would affect the party's effort to take control of the House in 2002.
