To delay the application of the substantiation requirements to reimbursement arrangements of certain loggers.

Requires, for any taxable year beginning before January 1, 1993, treating a timber industry arrangement under which up to 25 percent of a logger's compensation is treated as reimbursement for the use of the logger's chain saw as an accountable plan for purposes of Internal Revenue Code provisions relating to deductions from gross income. Makes payments under such an arrangement deductible from gross income. Waives, for one year after enactment of this Act, any law or rule of law (including res judicata) that would have prevented the application of this Act.