A letter agreement between counsel and a client outlining the parties' respective duties about providing legal services for a litigation matter using an alternative fee arrangement under New Jersey law. Outside counsel may use it when drafting a retainer agreement or in-house counsel may use it when reviewing a proposed retainer agreement. This Standard Document has integrated notes with important explanations and drafting tips about items such as identifying the scope of the engagement, determining the fee arrangement, establishing billing practices, and waiving any conflicts of interest.