in stipulationibus cum quseritur quid actum sit verba contra stipulatorem interpretanda sunt

/in stipyaleyshiyownabas kam kwiratar kwid sktam sit varba kontra stipyalatoram intarprateenda sant/

In the construction of agreements words are interpreted against the person using them. Thus, the construction of the stipulatio is against the stipulator, and the construction of the promissio against the promissor