http://hongkongwatch.i2p/all-posts/2022/10/13/new-hong-kong-watch-policy-paper-calls-for-host-countries-to-review-the-status-and-rebrand-hong-kong-economic-and-trade-offices
The research has found that multiple HKETOs (Brussels, London, Berlin, Toronto, Sydney, New York, San Francisco, and Washington DC) have similar privileges and immunities to diplomatic embassies and consulates, even when the host country also has a People's Republic of China (PRC) embassy and consulates. HKETOs use events, campaigns, and bilateral engagements to manage Hong Kong SAR’s image and promote economic and cultural exchange overseas.