A notice is an official intimation.
Public Notice :1. A notice should have a heading below NOTICE in caps.
2. It should be dated on the top right corner or bottom left margin (top corner better).
3. It should bear the signature of the person issuing it at the bottom right corner.
4. If the notice is signed by a student, it should be countersigned by the headmaster or another authority.
5. Use the present and the future tense and the passive voice.