In doubtful cases there is always a presumption in behalf of the king.
Ambiguitas verborum latens verificatione facti tollitur.
The latent ambiguity of words is removed by the establishment of the fact.
Ambiguitas verborum latens, verificatione suppletur; nam quod ex facto oritur ambiguum, verificatione facti tollitur.
The latent ambiguity of words is supplied by their verification; for the ambiguity which arises from the fact, is taken away by its being verified.
Ambiguitas verborum patens nulla verificatione excluditur.
The evident ambiguity of words is excluded by no verification.
Ambiguum pactum contra venditorem interpretandum est.
An ambiguous agreement is to be interpreted against the seller.
Ambiguum placitum interpretari debet contra proferentem.