CFR > Title 4 - Accounts > CHAPTER I—GOVERNMENT ACCOUNTABILITY OFFICE > SUBCHAPTER B—GENERAL PROCEDURES (Parts 21–29) > PART 28—GOVERNMENT ACCOUNTABILITY OFFICE PERSONNEL APPEALS BOARD; PROCEDURES APPLICABLE TO CLAIMS CONCERNING EMPLOYMENT PRACTICES AT THE GOVERNMENT ACCOUNTABILITY OFFICE > SUBPART I—Ex Parte Communications (§28.145 to §28.149)