Labor unions have dismissed the supplemental agreement for two main reasons.

"In most cases when homeowners use the same bank, the new loan is a supplemental agreement.

The signatories may enter into supplemental agreements within the scope of this agreement.

Amendments to the agreement can properly be, and frequently are, made by supplemental agreement.

President-elect Bill Clinton has said the pact's provisions on trucking are among the eight areas in which he will seek changes or supplemental agreements.

Licenses to operate trains were extended by supplemental agreements for both passenger and freight work until the company became defunct.

But President-elect Bill Clinton says he will seek to negotiate three supplemental agreements before putting the provisions into law.

A "bilateral modification" is a supplemental agreement on which the Contracting Officer and the contractor have agreed to a price and/or time adjustment.

Mickey Kantor, the United States Trade Representative, promised last spring that the supplemental agreements would have "real teeth."

The supplemental agreements deal with environmental and labor concerns raised by Mr. Clinton, and do so without undermining the market-opening provisions of Nafta.

Lyon agreed to the condition and signed a supplemental agreement to play with the Country Rugby League Group Four club up until the end of 2006.

Mickey Kantor, the United States trade representative, said the Administration's low-visibility advocacy of the pact is unavoidable since three supplemental agreements are still being negotiated.

It is referred to as the supplemental agreement to the North American Free Trade Agreement (NAFTA).

President Clinton said on Oct. 4, during the election campaign, that he would not sign legislation putting the free trade pact's provisions into law until three supplemental agreements had been negotiated.

The partners should not, however, fail to reconsider the principal agreement (and any earlier supplemental agreements) at the same time, for that is the only way to ensure consistency between all documents.

The position with regard to side letters (setting out supplemental agreements) is that they may not be binding as they probably will not have been referred to in the principal agreement.

"The supplemental agreements will complement the trade provisions of Nafta," said Representative Jim Kolbe, the Arizona Republican who is leading the pact's House Republican supporters.

The Clinton Administration's supplemental agreements on labor and environmental issues placated some environmentalists but alarmed conservative Republicans afraid that the agreement's international commissions would infringe on American sovereignty.

In a speech on Oct. 4 in Raleigh, N.C., Mr. Clinton called for supplemental agreements to strengthen labor and environmental protections and to prevent unexpected import surges.

While Bush officials relied extensively on the Hufbauer-Schott data, the Clinton Administration, which has endorsed the pact contingent on completion of three supplemental agreements with Mexico, does not cite them.

But glaringly absent was Representative Richard A. Gephardt, the House majority leader, who has said he would support the agreement only if the supplemental agreements Mr. Clinton signed today are toughened.

The North American Free Trade Agreement does not have to be renegotiated, but Mr. Clinton has said he will only accept it as written if there is a supplemental agreement with Mexico on enforcing Mexican labor and environmental standards.

Three days after the preferred stock was allotted and without the benefit of professional advice, a "supplemental agreement" was signed by Olympus officers that gave AXAM power of veto over "any important decision in the Gyrus business".

Johnston lobbied Washington politicians into passing the Supplemental Agreement of 1902 which modified the Atoka Agreement, allowing the Chickasaws and Choctaws to review tribal citizenship cases that had been accepted by the Dawes Commission.

But he said again, as he did during the election campaign, that he would seek to negotiate three supplemental agreements and make unilateral changes in American law on labor and environmental issues before he would sign legislation putting the agreement's provisions into law.