Please follow as below to update your Administrative Contact in https://selfcare.ichoose.my/ :
1. Log in at https://selfcare.ichoose.my/ by using Administrative Contact credentials.
2. Click on 'Domains'.
3. Click on 'Manage' under Action category.
4. Click on 'Edit' under Administrative category.
5. Kindly complete all the necessary details required and click 'save'
Once you are done with the above steps, the new Administrative will receive an email to provide a supporting document to MYNIC.