"..charter amendment would not be sufficient to achieve re-accreditation if there was no comprehensive plan to address all the concerns and conditions of the AZA."

http://www.honoluluchartercommission.org/images/meetings/4-29-16/Report_of_the_Permitted_Interaction_Group_-_Funding_Honolulu_Zoo.pdf

Also, without the AZA accreditation they cannot legally import exotic animals into Hawai`i under Dept of Ag rules:

https://hdoa.hawaii.gov/wp-content/uploads/2012/12/BOA-minutes-1.27.15.pdf