than secondary enforcement laws in increasing seat belt use and reducing crash injuries." Another found that "there is strong evidence that enhanced seat belt enforcement interventions can substantially increase seat belt use and its associated benefits." Developing countries In many developing countries, pedestrians, cyclists, rickshaw operators and moped users represent the majority of road users. In India, all cars manufactured after March 25, 1994, are equipped with front seat belts. The rule was extended for rear seats in 2002. The usage of seat belts is to be implemented by the respective states, with most states making seat belt usage for front seat passengers mandatory in 2002. Older vehicles that did not originally have seat belts were exempted. However, enforcement is weak in most parts of the country. In Indonesia, belts are only mandatory for front seats. Many low-entry car models are not equipped with rear seat belts. In Malaysia, the first stage of safety belt laws was implemented in 1979. This was expanded in January 2009 to include rear passengers. Passenger vehicles registered prior to January 1, 1995, and those weighing more than 3.5 tons are exempted from this rule. The third and fourth stages, which will deal with baby and child seats and the number of passengers in a vehicle, have not taken effect. In the Philippines, a seat belt law, Republic Act No. 8750, was approved on August 5, 1999. The law took effect in 2000 and requires all public and private vehicles, except motorcycles and tricycles, to have their front seats equipped with seat belts. Front seats as defined by the law includes the first row of seats behind the driver for public utility buses. Those below the age of six are prohibited to occupy the front seats of motor vehicles even if wearing a seat belt. Jeepneys are only required to have lap belts for the front seat passengers and the driver. In the European Union, seat belt were only mandatory in vehicle under 3,5 tonnes until a 2003 directive made it mandatory in all vehicles in 2006. The directive also clarify seat belt to use for children and made mandatory to deactivate airbag for the use of rearward-facing child restraints. Some exemptions exist for five members states — Belgium, Denmark, France, Sweden, Spain — and the United-Kingdom. The table below gives an overview of when seat belt legislation was first introduced in different countries. It