The phrase "a necessity for that" is correct and usable in written English.
It can be used when discussing the importance or requirement of something in relation to another thing.
Example: "There is a necessity for that additional funding to ensure the project's success."
Alternatives: "a requirement for that" or "an essential for that".
Although 50% of the participants answered that an open visitation policy does not really decrease the family's anxiety and stress, most of them (67.9%) would desire hospitalization in an ICU with an OVP if there ever was a necessity for that.
"Where these animals are being used, then there's a necessity for that use.
Cullors says, "The consequence of focussing on a leader is that you develop a necessity for that leader to be the one who's the spokesperson and the organizer, who tells the masses where to go, rather than the masses understanding that we can catalyze a movement in our own community".
Oft ignored by people for reasons of ignorance or practicality a surround sound setup in a cramped apartment?—surround sound is as much a necessity for that home theater feel as an HDTV is.
However, during the digitization sessions for Akuma, Capcom unexpectedly approved the addition of Sheng Long; Noon stated that Capcom had ambitions that the game would crush Mortal Kombat II, and felt the character's inclusion was a necessity for that goal.
China and India, among other fast-growing Asian economies, have restrictions on foreign bank business and limit foreign branches, making such deals a necessity for anyone that wants to do business there.
So a bit of obsession seems like a necessity for someone that still holds the desire to eat whole, unprocessed foods from the bottom of the food chain.
Thus, there is a necessity for design methods that are insensitive ("robust") to these starting values.
The results and methodology in this article will be useful when there is a necessity for developing SMBs that are to meet a certain requirement imposed on product concentration.
Having an active presence on all major social networks, from Facebook to LinkedIn and beyond, is a necessity for any brand that wants to become an industry leader while engaging with its potential and current customers in new ways.
This is a necessity for a play that doesn't ever want us to get too comfortable in any one locale.
