Rule 5 imposes significant additional regulatory requirements with respect to agreements based on damages at work, but again, there is no obligation to sign. (b) indicate the percentage to which the amount of fees that would have to be paid should be increased if it is not a contingency fee agreement; and it is a written agreement between you and your lawyer and is therefore legally binding, so make sure you understand them and make sure your lawyer guides you through every aspect before proceeding. Thus, explanations by the use of the word “or” provide for an unsigned DBA. The observations also state that “Rule 6 provides that additional means may be added to the agreement by written and signed amendment”, recalling that these requirements apply only in these circumstances. . . .