Русско-англо-русский юридический словарь

The second part, enacted on August 5, 2000, defines specific taxes, rates, payment schedules, and detailed procedures for tax calculations. It was significantly amended in 2001–2003 with additions like the new corporate profits tax section and the new simplified tax system for small business. (Wikipedia)

payment schedule. Timetable by which payments are made to a contractor or creditor. (BusinessDictionary)