253. Assignment of rights in general.

The same considerations apply to the assignment of rights under building and engineering contracts as to the assignment of rights in general1. Thus to create a legal assignment notice in writing of the assignment must be given to the debtor, or other person liable to make the payment, in order to entitle the assignee to bring a claim for the money or the debt, and the rights of the assignee are subject to all equities having a priority over the rights of the assignor