Terms for subject Law containing By Mouth

English	Russian
by word of mouth	в устной форме (A lease may be made either in writing or by word of mouth. / Notice of abandonment may be given in writing, or by word of mouth, or partly in writing and partly by word of mouth. / Whether I communicated with the Congress in writing or by word of mouth, and whether the writing was by a machine, or a pen, were equally, and absolutely, unimportant matters. (Roosevelt) 4uzhoj)
by word of mouth	на словах
by words of mouth	устно