### Clue: Belfast party maybe defended by chairman in party programme (9)
### Answer: MANIFESTO 
 ### Explanation: Definition: party programme
 [N.I. FEST](a party or festival that may be held in Belfast, Northern Ireland) **contained in**(defended by) MAO(Zedong, former Chairman of the Chinese Communist Party).
Defn: A political party's programme of its intentions, policies, principles, etc.