"deemed part of" is a correct and usable phrase in written English.
It means something is considered or viewed as a part of something else. You can use it when discussing something that is seen as a necessary component or aspect of a larger whole. Example: The company's dress code policy was deemed part of the overall professional image they wanted to project.
It was deemed part of the war effort because Japan was sending balloons packed with explosives across the Pacific, hoping to ignite blazes across the western US.
Once Mr. Schulze takes on a partner to bid for Best Buy, the partner will be deemed part of a new group of interested shareholders.
The wine shop at its market in the Time Warner Center was closed by the state liquor authority because the shop was deemed part of the supermarket; state law bans selling wine in food stores.
Israelis settled in the West Bank because it was deemed part of the historic home of the Jewish people and because the Arabs and the Palestinians rejected opportunities for peace with Israel after the Six-Day War in 1967.
Newham and Haringey, for example, were deemed part of Outer London when the capital's 32 boroughs were created by the Local Government Act 1963, but how much do they have in common with Richmond?
After an enormous flood in 1927, the southern stretch of the river was deemed part of a project area, and ordered to have levees designed by the Corps of Engineers.
Citing similar precedents, the National Labor Relations Board counsel deemed parts of the memo "so harmful, discriminatory, and disruptive" as to shed their status as protected speech in the workplace.
They found that Major League Baseball's satellite blackout rule deemed one part of Raritan Township, for example, to be inside the Yankees' "area of influence," which let them watch the Yankees on YES, but another part of town with another zip code, to be Phillies territory, which denied them YES's games.
The Hudson-Bergen Light Rail, which will carry its first fare-paying passenger on April 15, is the metropolitan region's most ambitious public transportation project since the 1960's, the largest public works program in New Jersey history and an intriguing look at the prospects for a transit system long deemed a part of the past, not the future.
The inclusion of [R] could be deemed as part of this process.
What tradition has established as a conventional family has a powerful impact on those that are deemed not part of it.
