US Code
CHAPTER 10— CLASSIFICATION OF EMPLOYEES OF HOUSE OF REPRESENTATIVES
§ 291. Congressional declaration of purpose

(1) the creation and maintenance of orderly and equitable compensation relationships for such positions—(A) in accordance with the principle of equal pay for substantially equal work, and
(B) with due regard to (i) differences in the levels of difficulty, responsibility, and qualification requirements of the work, (ii) the kind of work performed, (iii) satisfactory performance, and (iv) length of service;
(2) the application of appropriate position standards and position descriptions for such positions; and
(3) the adoption of organization and position titles in the House which accurately reflect the respective functions, duties, and responsibilities of those organizations and positions in the House to which this chapter applies.

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