The major purpose of credit card law is to

The primary aim of credit card law is to protect consumers. This legislation is designed to ensure that individuals have clear and accurate information about credit terms, fees, and interest rates, allowing them to make informed financial decisions. By mandating disclosures and prohibiting certain unfair practices, such as deceptive advertising or predatory lending, these laws serve to safeguard the interests of consumers against potential exploitation by credit card issuers.

While regulating credit limits, standardizing lenders' practices, and stabilizing annual percentage rates are important aspects of the broader financial system, the central focus of credit card law is consumer protection. This includes features such as the requirement for credit card companies to provide a straightforward explanation of costs and potential penalties, which helps consumers understand their rights and responsibilities more clearly.