Unable to set address elements as mandatory

Summary:

Unable to set the address line 1, postal code, state, city and country fields as mandatory in the Malay address

Content (please ensure you mask any confidential information):

As user requirement that we will need to set the address line 1, postal code, state, city and country fields as mandatory in the Malay address, checked with the "Feature by Country or Territory" task, the address which is used is Postal Address. While searching for "Manage Address Format" task, setting the above-mentioned elements as required and proceed to "Save and Close". The set up was not reflected. Tried with a new browser and log-out & log-in again. Still unable to proceed.