Section 161, act Nov. 23, 1921, ch. 135, § 3, 42 Stat. 224 , related to creation of Board of Maternity and Infant Hygiene and administration of this chapter by Children’s Bureau. Section 162, act Nov. 23, 1921, ch. 135, § 1, 42 Stat. 224 , related to authorization of appropriations. Section 163, acts Nov. 23, 1921, ch. 135, § 2, 42 Stat. 224 ; Jan. 22, 1927, ch. 53, § 1, 44 Stat. 1024 , related to amount and apportionment of appropriations. Section 164, act Nov. 23, 1921, ch. 135, § 4, 42 Stat. 225 , related to acceptance of provisions of this chapter by the States. Section 165, act Nov. 23, 1921, ch. 135, § 5, 42 Stat. 225 , related to deduction of administrative expenses from appropriation. Section 166, act Nov. 23, 1921, ch. 135, § 6, 42 Stat. 225 , related to clerical assistants for Children’s Bureau. Section 167, act Nov. 23, 1921, ch. 135, § 7, 42 Stat. 225 , related to apportionment of appropriation to States. Section 168, act Nov. 23, 1921, ch. 135, § 8, 42 Stat. 225 , related to submission and approval of plans by States. Section 169, act Nov. 23, 1921, ch. 135, § 9, 42 Stat. 225 , related to power of representatives of Children’s Bureau to enter homes and to take charge of children. Section 170, act Nov. 23, 1921, ch. 135, § 10, 42 Stat. 225 , related to certification of amounts apportioned to States. Section 171, act Nov. 23, 1921, ch. 135, § 11, 42 Stat. 226 , related to reports by States. Section 172, act Nov. 23, 1921, ch. 135, § 12, 42 Stat. 226 , related to limitation on expenditure of amounts apportioned to States. Section 173, act Nov. 23, 1921, ch. 135, § 13, 42 Stat. 226 , related to requirement that Children’s Bureau perform duties assigned to it by this chapter. Section 174, act Nov. 23, 1921, ch. 135, § 14, 42 Stat. 226 , related to construction of this chapter. Section 175, act Mar. 10, 1924, ch. 46, § 3, 43 Stat. 17 , related to extension of this chapter to Hawaii.