His attempts to force the nobility to adopt a code of chivalry alienated many of his trusted advisors.

They suggest adopting the code used by museums internationally to deal with human remains, which states they must be handled 'in accordance with their inviolable human dignity'.

The group has adopted a code of practice, which includes no spraying, using and developing local skills and planting locally indigenous species wherever possible.

Generally, legislation adopts the code by reference, usually with a schedule of changes that amend the code for local conditions.

Second, once adopted a code can be used to generate continuing discussion and possible modification to the code.