To dispute a charge made to a SmarTrip card, an individual should first gather all relevant information regarding the charge in question. This includes details such as the transaction date, amount, and location where the transaction took place. It is important to identify whether the charge appears to be unauthorized, erroneous, or if there was a misunderstanding regarding the use of the card. After compiling this information, it is advisable to consult the official WMATA website, where guidance on the dispute process can be found. Typically, there will be specific instructions regarding how to file a dispute, including any forms or information that need to be submitted to process the claim. The website may also provide contact details for customer service, should assistance be required throughout the process. It is essential to act promptly, as there may be time limits for disputing charges. Following the recommended procedures outlined on the official platform can help ensure a smooth resolution to the dispute.