Entry tags:
UK/US English
[Poll #1291053]There are cases where UK and US English differ and I think this may be one of them. It may also be one of those cases where I'm drawn to what I think the US version is.
It's also relevant as I'm editing a book for an American writer and want to make sure I have the correct version for America.
It's also relevant as I'm editing a book for an American writer and want to make sure I have the correct version for America.

no subject
"None" means "no one", which is singular, so one is appropriate there as well. And you misspelled amendment. Not sure whether to classify myself as American or British, as I am currently both.