Update 2021-08-03 (2): According to information from the Federal Foreign Office on Tuesday (03 August), only holders of permanent residence permits (ITAS and ITAP) will be allowed to enter the country also in August. The Federal Foreign Office also points out that the proof and test requirements for travel within the country are subject to frequent changes and that the exact regulations should be obtained from the transport companies.
Update 2021-08-03 (1): According to media reports on Monday (02 August), COVID-19 containment measures have been extended until at least 09 August. COVID-19 measures of level 4 are currently in place in the capital Jakarta and other regions.