Just published yesterday in THE BALI SUN:
"Although there are rumors circulating online that immigration in Bali is not checking Covid-19 certificates (for those over-18 and not medically exempt), insurance documents, customs declarations, return flights, or onward travel plans, it remains the case that these are all documents required by law."
302 Foreigners Denied Entry To Bali This Year - Here's What You Need To Know
The Head of the Immigration Office at Ngurah Rai revealed that 302 foreign nationals were refused entry to the Island of the Gods.thebalisun.com
AFAIK : insurance documents no more required , the other yes .
and also " :