The promotion of independence has long been taboo in Hong Kong amid fears in Beijing it could spread among other activists and challenge the central government's rule.
Israel's national airline joins two dozen or so businesses in eligibility to vote in Sunday's legislative poll in the former British colony now controlled by China.
Despite protests and unrest, China will not allow for a more autonomous democracy in Hong Kong, according to former leader Tung Chee-hwa.
Dozens of people injured as protests enter fourth week.
BBC strongly condemned the move, saying the restriction amounted to 'deliberate censorship.'
Police briefly scuffled with protesters camped out in Hong Kong's streets early Thursday, but held back from dismantling barricades erected by the activists.
Footage of police beating protester goes viral; 45 arrested as protesters block major underpass.
Police used chainsaws and sledgehammers on Tuesday to tear down protester's barricades in downtown Hong Kong, reopening major roads for the first time in two weeks.
Protester Alex Kwok says he was attacked by several men whom he accused of being members of triads, or organized crime gangs.
A few hundred demonstrators remain camped in streets, vowing to keep up pressure until government responds to demands.
Hong Kong protesters agree to remove some barricades from blocked areas, as fears grew that officials would move in to end the standoff for good.
Pro-democracy protesters keep behind police barricades and heckle Hong Kong's under-fire leader.
Tens of thousands of people hold a vigil in Hong Kong to mark the 1989 killing of protesters in Beijing, but on the mainland the censors and police are working overtime.