If the terms of the employment contract condition severance payments on compliance with the non-disparagement clause or unequivocally state that a breach of the non-disparagement clause will result in a forfeiture of severance or other benefits- the clause is optimized if the payments or benefits paid out to the executive director are paid out over a period of time.

FORBES: 5 Must-Haves in an Executive Director's Employment Agreement

As we all know due to the number of times we are not charged sales tax for items ordered online or via catalogs, Congress has not exercised its authority under the commerce clause to change the Quill result.

FORBES: After Twenty Years Congress Still Has Not Acted On Sales Tax

The clause states that EU law only has effect in the UK as a result of legislation passed by Parliament - the 1972 European Communities Act.

BBC: European Union Bill part two