It is important that you find out what the rules are for your workplace by:
Each workplace has its own procedures which are designed to help you communicate effectively and efficiently with your colleagues.
When you enter a new workplace, one of the first things you will need to get to know is: What systems are used to help people communicate here, and how do they relate to me and my job?
Some organisations will have informal rules. Some workplaces can be very strict, with elaborate rules.