Indemnification clauses are subject to common law limitations and anti-indemnity limitations. At issue were provisions regarding liability and indemnification. Under US law, interpretation of indemnification clauses varies by state. In downhole situations, indemnification keeps the service company from making a counterclaim. The purchased insurance is typically in addition to this corporate indemnification, or reimburses the corporation. Usually such expensive prizes are backed by an insurance company who offers prize indemnification services. Unfortunately, Congressional refusal to offer indemnification remains an impediment to real collaboration. The Ministry of Finance, however, made demands for indemnification and negotiations ensued. That indemnification was an important sideshow in the negotiations. Persia was also required to pay 20 million rubles in silver in indemnification. Indemnification takes an act of Congress, literally. Using other words, it is the only life indemnification to their future. On July 23, the President sent a letter urging Congress to take action on indemnification. Many Linux distributors now offer indemnification to customers.