财税〔2013〕103号
Notice of the State Administration of Taxation on Issues Concerning the Collection and Management of Individual Income Tax on Enterprise Annuities
国家税务总局关于企业年金个人所得税征收管理有关问题的通知
This document addresses the collection and management of individual income tax on enterprise annuities, but has been fully abolished as of January 1, 2014, per a referenced higher-level notice.