hong kong hong kong try enact law penalize people boo chinese national anthem soon possible official say wednesday move critics say undermine chinese-ruled city autonomy freedoms past years hong kong football fan boo national anthem world cup qualifiers game mirror recent protest unite state football players kneel national anthem practice denounce u.s. president donald trump asian football confederation warn hong kong football association tuesday conduct fan boo chinese national anthem match october china pass law state disrespect anthem could result imprisonment law come force china yet extend hong kong hong kong secretary constitutional mainland affairs patrick nip say city constitutional obligation follow move china largely rubber-stamp parliament law add annex hong kong mini-constitution basic law put city 70-strong legislature soon possible nip tell lawmakers say would consultation process hong kong former british colony return chinese rule 1997 so-called one country two systems formula promise city high degree autonomy include independent judiciary china grow reach hong kong affairs however stoke tensions mass protest include 2014 occupy civil disobedience movement block major roads city 79 days pressure china allow full democracy nip say decision make jail term government would make reference exist laws concern desecration china national flag carry maximum sentence three years critics say move would erode hong kong autonomy another instance china tighten iron grip country china use totalitarian autocratic ways make people feel pressure believe many hong kong people would respect national anthem say dennis kwok lawmaker civic party past years hong kong fan boo national anthem several football match involve hong kong team upcoming asian cup qualifier hong kong lebanon another potential flashpoint inappropriate behavior ... must address nip say without give specifics chinese authorities strive instill great patriotism hong kong condemn push democracy activists distance hong kong beijing embrace city culture core value even advocate independence china recent years incidents disrespect national anthem occur hong kong challenge bottom line ... trigger rage say zhang rongshun lead legislative affairs commission china parliament national people congress accord official xinhua news agency urgent important apply national anthem law hong kong bid prevent handle offences hong kong seek law ban boo china 's national anthem