Question

what is code of conduct...............

Answer 1

A set of norms or guidelines which is followed by political parties and candidate......

Answer 2

The official definition of code of conduct is : 

The Code of Conduct is a communication tool that informs internal and external stakeholders about what is valued by a particular organization, its workers ,  management etc . 

A code of conduct is a set of rules mentioning  the social norms and rules and responsibilities of an individual, party etc.