grades are province [sheng 省], region (or city directly subordinate to a province) [diqu 地区or shengzhixiashi 省直辖市] and county [xian 县]; grades within government organs are ministry [bu 部], bureau [ju 局] and office [chu 处]; in the military corps [jun 军], division [shi 师], and regiment [tuan 团]. The most authoritative documents are drafted by the Central Committee to convey instructions from CCP leaders. Documents with Chinese Communist Party Central Committee Document [Zhonggong Zhongyang Wenjian 中共中央文件] at the top in red letters are the most authoritative. Foreign media and journalists In 2012, China banned Al Jazeera English and expelled their foreign staff due to an unfavorable report about forced labor. This was the first time since 1998 that China had expelled a major foreign media organization. Reporting in China has become more difficult with the Chinese government increasingly interfering in the work of foreign journalists and discouraging Chinese citizens from giving interviews to the foreign press. The Chinese government increasingly uses restrictions and harassment of foreign journalists as a way to punish their home country or the home country of the media organization they report for. Since 2018 none of the 150 correspondents and bureau chiefs surveyed annually by the Foreign Correspondents’ Club of China (FCCC) have reported an improvement in their working conditions. In 2020, the Chinese government expelled or forced the departure of at least 20 journalists. The Committee to Protect Journalists said of the behavior "It’s very disreputable for China, and it also shows that they have a lot to hide." To foreign journalists working in China, the ruling CCP has threatened and punished them by failing to renew their credentials when they criticize the CCP's policies and human rights abuses. In March 2020, Chinese officials expelled almost all American journalists from China, accusing them and the US of trying to "impose American values" in China. In August 2020, China detained Cheng Lei, an Australian journalist working for China Global Television Network, a Chinese state-run English television news channel, amid souring relations with Australia. Following her arrest the only other two Australian journalists in China were placed under exit bans and only managed to leave the country with their families after the Australian authorities interceded on their behalf. In December 2020, Chinese authorities detained Haze Fan, who works for the Bloomberg News bureau in Beijing, on suspicion of "endangering national security". In April 2021, BBC journalist