Sentence:  Under P. L. 113 , 78 th Congress , the Federal Government assumed responsibility for 100 % of necessary State expenditures in connection with <WSD>administration</WSD> and the counseling and placement of the disabled , and for 50 % of the necessary costs of providing clients with rehabilitation case services . 
Meaning of the word marked with <WSD> tags:  a method of tending to or managing the affairs of a some group of people (especially the group's business affairs)