The phrase "a final tranche of" is correct and usable in written English.
It can be used when referring to the last portion or installment of something, often in financial or project contexts.
Example: "The company announced a final tranche of funding to complete the project."
Alternatives: "a last portion of" or "a concluding segment of".
Ms Chamberlin will also ask donors to give a quick agreement for the release of the final tranche of a $596m IMF standby loan which runs until the end of this month.
Declassification of the migrated archive has taken two and a half years, with the final tranche of documents due to arrive at Kew next month.
Today, the electric vehicle technology company has added another significant piece of change to its vault, announcing the close of the final tranche of a $28 million series B round of financing.
Another sanction could be to withhold the final tranche of funding in a grant, if the resulting research is not destined for an open access journal.
She has just released the sixth and final tranche of her autobiography - A Song Flung Up To Heaven.
However, it refused to release the final tranche of €7.2 billion ($8.1 billion) until an agreement had been reached on reform measures.
An 11% share for Ukip, 9% for the Lib Dems and 5% for the Scottish Nationalists were all confirmed from the provisional poll, but in the final tranche of interviews the Greens picked up a point, climbing from 3% to 4%.
Less than three years after its launch, the Rockefeller Foundation's 100 Resilient Cities programme has reached a notable landmark, with the announcement of its third and final tranche of members – taking this global initiative up to its full quota of 100 cities.
After more than a decade of operations, Thursday marks a historic milestone in Britain's role in Afghanistan, as the final tranche of Welsh troops set off for their last combat tour of the country.
