Starting August 1, 2024, the National Payments Corporation of India (NPCI) has updated guidelines for FASTag users focusing on Know Your Customer (KYC) requirements. FASTags issued between three to five years ago must have their KYC details updated by October 31, 2024. Older FASTags, beyond five years, need to be replaced. Additionally, all FASTags must be linked to the vehicle’s registration and chassis number, and new owners have 90 days to update their details. Providers must upload clear photos of the vehicle and link each FASTag to a mobile number for smooth communication. Don't delay to avoid service interruptions.