September 14 is over the Mexican Independence Day weekend, which is always a hot date on the boxing calendar along with the first week in May for Cinco de Mayo.
He said the union had realised an agreement it had made in the mid-90s, when virtually no trains ran on Boxing Day, had "become devalued" as the number of trains running on Boxing Day had increased to be the same as any other day of the week.
Beijing bronze medallist Tony Jeffries also criticised the organisation after signing pro forms with Dennis Hobson last week, although ABA chief executive Paul King said it "has no responsibility for the elite boxing programme".