[MODESTINUS libro primo regularum. ] §38.1.31.prOperis non impositis manumissus, etiamsi ex sua uoluntate aliquo tempore praestiterit, compelli ad praestandas, quas non promisit, non potest.
[MODESTINUS, in his first book of Rules.] A person manumitted without services having been imposed, even if he has performed them for some time of his own free will, cannot be compelled to perform those which he did not promise.