Defendant owes plaintiff ___ dollars for money paid by plaintiff to defendant by mistake on (date), under the following circumstances: (here state the circumstances with particularity – see Rule 9 (b)).
Wherefore (etc. as in Form 3).
Defendant owes plaintiff ___ dollars for money paid by plaintiff to defendant by mistake on (date), under the following circumstances: (here state the circumstances with particularity – see Rule 9 (b)).
Wherefore (etc. as in Form 3).