[Code of Federal Regulations] [Title 20, Volume 3] [Revised as of April 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 20CFR663.165] [Page 750] TITLE 20--EMPLOYEES' BENEFITS CHAPTER V--EMPLOYMENT AND TRAINING ADMINISTRATION, DEPARTMENT OF LABOR PART 663--ADULT AND DISLOCATED WORKER ACTIVITIES UNDER TITLE I OF THE WORKFORCE INVESTMENT ACT--Table of Contents Subpart A--Delivery of Adult and Dislocated Worker Services through the One-Stop Delivery System Sec. 663.165 How long must an individual be in core services in order to be eligible for intensive services? There is no Federally-required minimum time period for participation in core services before receiving intensive services. (WIA sec. 134(d)(3).)