This section is from the book "The Law Of Contracts", by William Herbert Page. Also available from Amazon: Commercial Contracts: A Practical Guide to Deals, Contracts, Agreements and Promises.
A change in the place of performance,1 such as making a note payable at a certain bank,2 or adding a provision that delivery of goods sold should be made to a common carrier,3 is a material alteration.
 
Continue to: