Section 172.200 - Applicability(a)Description of hazardous materials required. Except as otherwise provided in this subpart, each person who offers a hazardous material for transportation shall describe the hazardous material on the shipping paper in the manner required by this subpart.(b) This subpart does not apply to any material, other than a hazardous substance, hazardous waste or marine pollutant, that is-(1) Identified by the letter "A" in column 1 of the § 172.101 table, except when the material is offered or intended for transportation by air; or(2) Identified by the letter "W" in column 1 of the § 172.101 table, except when the material is offered or intended for transportation by water; or(3) A limited quantity package unless the material is offered for transportation by aircraft or vessel.(4) Category B infectious substances prepared in accordance with § 173.199 .Amdt. 172-29A, 41 FR 40677, Sept. 20, 1976, as amended by Amdt. 172-58, 45 FR 34697, May 22, 1980; Amdt. 172-74, 47 FR 43065, Sept. 30, 1982; Amdt. 172-112, 53 FR 17160, May 13, 1988; Amdt. 172-127, 57 FR 52938, Nov. 5, 1992; 71 FR 32258, June 2, 2006; 76 FR 3365, Jan. 19, 2011; 78 FR 1112, Jan. 7, 2013; 87 FR 79772, Dec. 27, 2022