Last year, Bruno Grandi, the president of the International Gymnastics Federation, known as FIG, said in an open letter there was a problem with the Code of Points, the rule book that describes how many points gymnasts get for certain moves but he stopped short of saying it was causing injuries.

WSJ: Menu

Many of the code's points are recommendations only--meaning that companies can choose to comply with them.

FORBES: Magazine Article

Tesco points to the 2001 Supermarket Code of Practice, drawn up to regulate trading relationships between the major supermarkets and their suppliers, of which it is a signatory.

BBC: NEWS | Business | Is Tesco too big?

The game itself suggests some changes and points out to its users where the relevant section of code is.

BBC: Students spend summer on Raspberry Pi and talking web