Cap 24 (1424 cap. 45) Anent billis of complayntis. . . . Gif there be onie pure creature, for faulte of cunning or expenses, that cannot, nor may not follow his cause, the King, for the love of God, sall ordaine the judge before quhom the cause suld be determined, to purwey and get a leill and wise advocate to follow sik pure creatures causes ; and gif sik causes be obtained the wranger sal assyith baith the partie skaithed and the advocate's coastes and travel.