CFR > Title 29 - Labor > SUBTITLE B—Regulations Relating to Labor > CHAPTER XVII—OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR (parts 1900 to 1990) > PART 1905—RULES OF PRACTICE FOR VARIANCES, LIMITATIONS, VARIATIONS, TOLERANCES, AND EXEMPTIONS UNDER THE WILLIAMS-STEIGER OCCUPATIONAL SAFETY AND HEALTH ACT OF 1970 > SUBPART E—Effect of Initial Decisions (§1905.50 to §1905.51)