There were civil laws which regulated clothing, food and social festivity.
This is why, besides the disciplinary measures which regulated the elections, the celebration of divine service, the periodical holding of diocesan synods and provincial councils, are found also decrees aimed at some of the "rights" by which the popes had extended their power, and helped out their finances at the expense of the local churches.
The character of the vestments, the method of putting them on, and the occasions on which they are severally to be worn, are regulated with the minutest care in the Missal and the Caeremoniale.
His conduct was evidently regulated by strict principle and not by mere caprice.
Sources of blood and blood products are regulated and screened for infectious substances and were as of 2004 much safer.