PUBLIC LAWS-CH. 324-JULY 25, 1947 42 Stat. 1488. 5U. S .C . 661 etseq. National Confer- ence of Commission- ers on Uniform State Laws. D. C. Code §1-902 to 1-906. D. C. Codei -430. AUte, p. 244. 41 Stat. 104. D. C. Code§1-311. GENERAL ADMINISTRATION For expenses necessary for the offices named under this general head: Executive office, plus so much as may be necessary to compensate the Engineer Commissioner at such rate in grade 8 of the professional service of the Classification Act of 1923, as amended, as may be determined by the Board of Commissioners of the District of Colum- bia, hereafter in this Act referred to as the Commissioners; six mem- bers of the Apprenticeship Council at $120 per annum each; $250 to aid in support of the National Conference of Commissioners on Uni- form State Laws; general advertising in newspapers and legal periodi- cals in the District of Columbia but not elsewhere, unless the need for advertising outside the District of Columbia shall have been spe- cifically approved by the Commissioners, including notices of public hearings, publication of orders and regulations, tax and school notices, and notices of changes in regulations; and $20,000 for expenses in case of emergency, such as riot, pestilence, public insanitary conditions, flood, fire, or storm, and for expenses of investigations; $208,000: Provided,That the certificate of the Commissioners shall be sufficient voucher for the expenditure of $1,500 of this appropriation for such purposes as they may deem necessary. Office of the corporation counsel, including extra compensation for the corporation counsel as general counsel of the Public Utilities Commission; $4,500 for the settlement of claims not in excess of $250 each, approved by the Commissioners in accordance with the Act approved February 11, 1929 (45 Stat. 1160), as amended by the Act approved June 5, 1930 (46 Stat. 500); and judicial expenses, including witness fees and expert services, in District of Columbia cases before the courts of the United States and of the District of Columbia; $224,000. Board of Tax Appeals, $20,600. FISCAL SERVICE For expenses necessary for the offices named under this general head: Assessor's office, including advertising notice of taxes in arrears July 1, 1947, to be reimbursed by a charge of 75 cents for each lot or piece of property advertised, $574,000: Provided, That this appropria- tion shall not be available for the payment of advertising the delin- quent tax list for more than once a week for two weeks in the regular issue of one newspaper published in the District of Columbia. Collector's office, including refunding, wholly or in part, erroneous payments of taxes, special assessments, school tuition charges, pay- ment for lost library books, rents, fines, fees, or collections of any character, which have been erroneously covered into the Treasury to the credit of the general fund, including the refunding of fees paid for building permits authorized by the District of Columbia Appro- priation Act approved March 2, 1911 (36 Stat. 967), $299,900: Pro- vided, That this appropriation shall be available for such refunds of payments made within the past three years. Auditor's office, $388,000. Purchasing Division, $88,800. COMPENSATION AND RETIREMENT FUND EXPENSES For compensation and retirement fund expenses, as follows: District government employees' compensation: For carrying out the provisions of section 11 of the District of Columbia Appropria- tion Act approved July 11, 1919, authorizing compensation for 426 [61 STAT.