The phrase "a one time amount" is correct and usable in written English.
It can be used to refer to a single payment or fee that is not recurring.
Example: "The service requires a one time amount of $50 for registration."
Alternatives: "a one-off fee" or "a single payment".
Proposed solutions like extending the temporary payroll tax cut and first year expensing incentives (as proposed by President Obama's American Jobs Act) or a one-time, low dollar amount hiring credit aren't enough to influence a small business owner- it's just too risky.
By the same token, in Japan in 1998 the government made a one-time capital transfer amounting to 4.8% of GDP to the railways, worsening its budget balance for that year alone.
When members join the program, they can make a one-time transfer of any amount of points in their account into the Family Pool.
Before leaving Nicosia, Mr. Anastasiades briefed Cypriot political leaders on the outlines of his proposal, which was said to call for imposing a one-time tax of 20 percent on amounts above 100,000 euros in deposits at the Bank of Cyprus.
Mr. Tchuruk confirmed that Alcatel would lose about three billion euros, or $2.57 billion, in the second quarter because of a one-time charge of the same amount to cover the cost of reorganizing its cellular phone handset and business services operations.
Oftentimes, monthly payments on loans with private mortgage insurance exceed payment amounts on F.H.A. mortgages, even though the agency charges a one-time fee of 2.25 percent of the loan amount in addition to monthly premiums of about 0.50 percent.
He was awarded a one-time bonus of about half that amount for his long service.
The increase reflected a one-time nonrecurring benefit of $43.7 million, the amount the company saved in taxes.
You can help us meet our goal of putting evidence-based Yoga For Veterans Toolkits in the hands of 10,000 returning soldiers this year by making a one-time or recurring donation in the amount of your choice.
The "How I Met Your Mother" star revealed that this year's Oscars gig was a one-time thing, saying that given the amount of work he put in and the feedback he received, he isn't sure it's worth doing again.
For the most part, the current e-book bonanza amounts to a one-time conversion of great titles from publishers' backlists.
