That is something all Canadian travellers to China ought to be doing, says the boss of one of the imprisoned Canadians.
Tensions between Ottawa and Beijing have been running high since the beginning of December, when tech giant Huawei's CFO Meng Wanzhou was arrested in Vancouver on a USA extradition order.
The State Department urges travelers to China to keep a USA passport with a valid Chinese visa close at hand.
"We will first of all do nothing to harm their situation, and we'll do everything we can to make sure that they're treated fairly and hopefully the result of - indirectly - of our visit will be that the judicial and executive branches in China decide to release these two gentlemen", Day told The Canadian Press by phone on Friday from Montreal before boarding a flight to the People's Republic. The Canadians have been detained for more than three weeks without a hearing.
Cooper acknowledged there was discussion about whether the trip would go ahead given the current tensions, until the leader of the delegation, Liberal Sen.
China may issue exit or travel bans in instances where there are business disputes or legal issues.
The US State Department issued a warning on Thursday that officials in China "have asserted broad authority" to prevent US citizens from leaving the country and for US citizens to beware of "arbitrary enforcement of local laws".
However, these are only the number of detainees that has been officially confirmed by Global Affairs.
A third Canadian whose arrest was widely reported, teacher Sarah McIver, was released and allowed to return to Canada.
In comparison, there are nearly 900 Canadians in a similar situation in the US.
"At least" eight of those 13 had since been released, the Canadian government said in a statement, without disclosing what charges if any have been laid.
Additionally, the State Department warned extra security measures, such as security checks and increased levels of police presence, are common in the Xinjiang Uighur and Tibet autonomous regions and authorities may impose curfews and travel restrictions on short notice.
"U.S. citizens may be detained without access to USA consular services or information about their alleged crime", according to the warning. "It is not convenient to disclose more information now".
Malley said he has full confidence in the approach the government has taken. "Chinese nationals." The advisory seems to advise extra caution for those with dual nationality and US citizens of Chinese heritage.
Meng was released on a C$10 million ($7.4 million) bail on December 11 and is now living in one of her two multi-million-dollar Vancouver homes as she fights extradition to the United States.