In 1975 the act was extended for 12 years, up until 1987. The total amount of insurance remained the same, but a provision was added requiring each of the 60 or so reactors then in existence to contribute between $2 million and $5 million in the event of an uninsured accident. The insurance ceiling for each individual company was increased to $140 million. These measures eliminated the contribution of the federal government to the insurance pool. However, an explicit commitment was made that in the event of a larger accident, Congress would take whatever actions were necessary to provide full and prompt claims to the public. This included the possibility of additional charges to reactor companies above and beyond the prescribed limits set forth in the Act.