The phrase "additional amendment" is correct and usable in written English.
It can be used when referring to a further change or modification to a document, agreement, or law.
Example: "The committee proposed an additional amendment to the bill to address the concerns raised during the meeting."
Alternatives: "further amendment" or "supplementary amendment".
Representative Christopher H. Smith, Republican of New Jersey, is to offer an additional amendment to exempt religious groups overseas from having to hand out condoms.
Since 1984 he has been serving his life sentence at Broadmoor high-security psychiatric hospital, as an additional amendment to the fourth paragraph now makes clear.
In an effort to gain more Republican votes, Senator Olympia J. Snowe, Republican of Maine, has been floating an additional amendment to McCain-Feingold.
He read a letter from a constituent who asked him to offer an additional amendment addressing the demographic imbalance between men and women — a "grave injustice" that abrogated the right of every woman to have a husband of her own.
Before trial, permission being granted, the railway company, by an additional amendment, defended on the ground that the Indiana statute relied upon, if held applicable to the facts alleged, was repugnant to the Constitution of Indiana and to the equal protection clause of the 14th Amendment.
By reason of doubts as to the power to enact the legislation, and because the policy thereby evidenced might be reversed by a subsequent Congress, there was introduced [p510] at the same session an additional amendment to the Constitution which became the Fourteenth.
After some additional amendments, Warren's legislation passed both the California Assembly and Senate.
Mr. Davis said that the congressman was seeking to determine whether additional amendments to his disclosure forms were necessary.
Senate Republican aides said they expected the bill to be approved next week after Republican lawmakers were allowed to offer additional amendments.
As the June 23 deadline approaches, Prime Minister Brian Mulroney has sought additional amendments that would appease the grievances of the three holdout provinces.
Those constitutional changes were supplemented by additional amendments in 1990, after the first multiparty elections brought democratic opposition parties to power.
