Code of Federal Regulations Title 19. Customs Duties § 19.10.131 Circumstances in which applicable

The provisions of §§ 10.131 through 10.139 are applicable in those circumstances in which the rate of duty applicable to merchandise is dependent upon actual use, unless there is a specific provision in this part which governs the treatment of the merchandise. However, specific marking or certification requirements, such as those for bolting cloths in section 10.58, may be applicable to merchandise subject to the provisions of sections 10.131–10.139.