Subchapter I. Transitional Payments to Tobacco Quota Holders and Producers of Tobacco 7 U.S. Code §518. Definitions 7 U.S. Code §518a. Contract payments to tobacco quota holders 7 U.S. Code §518b. Contract payments for producers of quota tobacco 7 U.S. Code §518c. Administration 7 U.S. Code §518d. Use of assessments as source of funds for payments 7 U.S. Code §518e. Tobacco Trust Fund 7 U.S. Code §518f. Limitation on total expenditures