A customer's card for the Business Upgrade Program has credits pre-loaded on it. Malaysia Airlines business upgrade programme is built on a straightforward credit-based approach. Consumers can upgrade their tickets to experience business class by using these credits. Customers can top up their cards and buy improvements using the credit system based on their trip plans and desired experiences. The three levels of business upgrade choices offered by Malaysia Airlines are Premium Club, Business Suite, and First Class, each of which has its own special set of amenities and services.