The phrase "an honour code" is correct and usable in written English.
It can be used when referring to a set of principles or ethical guidelines that govern the behavior of individuals, often in academic settings.
Example: "The university has implemented an honour code to promote academic integrity among its students."
Alternatives: "a code of ethics" or "a code of conduct".
But there is an honour code.
Northumbria University has introduced a student pledge, but declined to call it an honour code or make it obligatory or legally binding – thus rendering the exercise redundant.
And when MIT students signed an MIT honour code, there was another big drop in cheating - an interesting result, since MIT doesn't have an honour code.
Described as "potted ivy" they share a small student body (Williams has 2,000 students) along with high academic standards, and an honour code.
Sicilian prosecutors suspected that among smugglers there was a power structure regulated by an honour code similar to the Cosa Nostra's.
Faced with the problem of distributing aid in a region with an honour code that frowns on cash handouts, the government turned in June to a local bank and Visa, a card-payments network.
An honour-code system is, however, hard to implement at large universities with many working and part-time students living in dispersed neighbourhoods.
Sunni Arab tribes in the west, bound by a strict honour code, are widely believed to be sheltering fugitives.
The behaviour of the gunman at once calculated and indifferent, not seeming to care who ended up dead hinted at the evolution of a brutal honour code.
And if the more powerful Taliban accept that Mr bin Laden is dead, it may feel released from a Pashtunwali honour code about protecting guests and so disavow ties with al-Qaeda.
At Amherst College in Massachusetts, students staged a three-day sit-in where they wrote a list of demands including for the president of the college to issue a statement of support to revise the school's honour code to "reflect a zero-tolerance policy for racial insensitivity and hate speech".
