The controversial proposal in tax regulations stems from a 1995 federal appeals court decision that reversed a lower court ruling and allowed lawyers to write off the cost of litigation in the year that it was incurred, instead of when they actually received a payment through an injury award or settlement. Other federal courts have not ruled on this issue. If the government implements the proposed tax-code change in line with this ruling, it would drastically lower lawyers' risk-adjusted cost for pursuing medical malpractice claims, which are often accepted on a contingency basis, and spur a large increase in such cases, according to physician advocates.