The phrase "apply to a single" is correct and usable in written English.
It can be used in contexts where you are referring to something that is relevant or applicable to one individual or one specific case.
Example: "The new policy will apply to a single employee who has requested a special accommodation."
Alternatives: "pertain to one" or "be relevant to a single".
But charities said the exemption would only apply to a single additional room, and would not apply to carers in receipt of housing benefit who looked after more than one child, including older siblings.
Because consumers like to have a choice, and, as Avinash Dixit and Joseph Stiglitz had pointed out a few years earlier, the same logic of increasing returns to scale that Krugman had identified as an essential dynamic in trade could apply to a single brand as well as to a whole industry.
But over the years, Congress has not adjusted the law to fully account for inflation; as a result, the alternative minimum tax today applies to very few people who make more than $627,000, but can apply to a single parent making as little as $28,000.
As I report today, the Fostering Network charity says the exemption will only apply to a single bedroom, so foster carers in receipt of housing benefit who look after more than one child will still face a penalty of potentially hundreds of pounds a year.
Its main claim is that different descriptions can apply to a single affordance.
We note here that our experiments apply to a single instance of a data set rather than a continuous stream of data.
Finally, our results apply to a single-dose situation, but relationships may change with long-term SGLT2 inhibition.
The investigation refers to charges of rigging test scores and applies to a single school district out of the 1,042 in the state.
The available software can't tell the difference between voices, and even when applied to a single voice, it's only about 80percentt accurate.
The only case where the Supreme Court has struck down a bankruptcy law on this basis involved a law that applied to a single railroad.
Although FBI director James Comey has conceded to skeptical legislators that victory in the Apple case will indeed establish a precedent, the Justice Department on Thursday continued to argue that the warrant "applies to a single device" only.
