That part of the State of Georgia extending south of a line drawn from Brunswick along U.S. Route 84 to Waycross and along Route 82 to the Alabama border. Northern Florida east of the Apalachicola River and bounded on the south by a line drawn from Cedar Key to Ocala to Daytona Beach. That portion of Florida south of a line from Cedar Key to Ocala to Daytona Beach and north of a line from Naples to Sebring to Melbourne. All the remainder of the State of Florida south of a line from Naples to Sebring to Melbourne but not including the Florida Keys. All the area covered by the Florida Keys. All the area in the Alabama Collection District and that portion of Tennessee east of the western crossing of the Tennessee River. Northern Florida west of the Apalachicola River. All the States of Louisiana (except that portion included in Sabine District No. 21); Mississippi (except that portion included in Collection District No. 19); and Arkansas. That portion of Tennessee west of the western crossing of the Tennessee River. The island of Puerto Rico. All of the Virgin Islands. The counties of Cameron, Willacy, Kenedy, Kleberg, Nueces, San Patricio, Refugio, and Jim Wells. That part of the State of Texas east of the Pecos River, south of 33° north latitude, and west of 99° west longitude with the exception of Gillespie, Kerr, Bandera, Medina, Frio, La Salle, Webb, and Zapata Counties. The States of New Mexico and Colorado; that part of Oklahoma west of 100° west longitude; that part of the State of Texas lying west of the Pecos River, and the part of Texas north of 33° north latidude and west of 99° west longitude. All of the State of Oklahoma east of 100° west longitude and that part of Galveston Collection District (22) lying west of Galveston Bay, the Trinity River and 96° west longitude, with the exception of Refugio, San Patricio and Nueces Counties. The counties of Starr, Jim Hogg, Zapata, Webb, Duval, McMullen and La Salle. The counties of Brooks and Hidalgo. The Republic of Mexico. Cameron and Calcasieu Parishes in the State of Louisiana and that part of the State of Texas lying east of Galveston Bay, the Trinity River and 96° west longitude. Kerr, Bandera, Medina, and Frio Counties and other parts of Texas lying north of 28° north latitude and between 97° and 99° west longitude with the exception of La Salle, McMullen, San Patricio, Refugio and Tarrant Counties. Suboffice headquarters Customs Agent in Charge, Chicago. Customs Agent in Charge, Cleveland. Customs Agent in Charge, Detroit. Customs Agent in Charge, Duluth. Customs Agent in Charge, Havre. Customs Agent in Charge, Pembina. Customs Agent in Customs Agent in Charge, San Diego. Customs Agent in Charge, Nogales. Customs Agent in Charge, Los Angeles. Customs Agent in Charge, San Francisco. Customs Agent in Charge, Portland, Oreg. Customs Agent in Charge, Seattle. Customs Agent in Charge, Anchorage. Customs Agent in Charge, Honolulu. Regional Customs Representative, Rome, Italy. Senior Customs Representative, London, England. Senior Customs Representative, Paris, France. Senior Customs Representative, Frankfurt, Germany. Geographical jurisdiction Collection Districts 40, 42, 39 except for the State of Nebraska, and that part of Collection District 37 lying south of Route U.S. 10 from Manitowoc west to the Wisconsin-Minnesota boundary; and that part of Collection District 35 lying south of a line drawn west from the junction of Route U.S. 10 Minnesota-Wisconsin to Olivia, Minnesota, and east of Route 71 from Olivia, Minnesota, south to the Minnesota-Iowa boundary. Collection District 41. State of Michigan except that part lying west of Route 41 extending from Escanaba to Marquette. Route U.S. 71 from International Falls, Minnesota; south to the junction of U.S. 71 and U.S. 212 (near Olivia, Minn.); east on U.S. 212 to U.S. 10, including Minneapolis-St. Paul, and continuing east on U.S. 10 to Manitowoc, Wis. Collection District 31 (Idaho and Montana) and Wyoming. Collection District 34 (North and South Dakota) and that part of Minnesota lying west of Route U.S. 71 from International Falls, Minn., to the Minnesota-Iowa boundary. State of Nebraska and Collection District 45 except for the State of Oklahoma. That part of District No. 25 and District No. 26, composed of Imperial County, Calif., and Yuma County, Ariz. All of Collection District No. 25, with the exception of Imperial County. All of Collection District No. 26 with the exception of Yuma County. All of Collection District No. 27. All of Collection District No. 28. All of Collection District No. 29. All of Collection District No. 30. All of Collectlon District No. 31. All of Collection District No. 32. Spain, Portugal, Italy, Switzerland, all the Middle East and Iron Curtain countries, Africa. British Isles and Ireland. France, Luxemburg, Monaco, Belgium (technical investigations). The Netherlands, Denmark, Norway, Sweden, Finland, Germany, Austria, Liechtenstein, Belgium (nontechnical investigations). The locations of the headquarters of the appraisers of merchandise for the customs collection districts are as follows: Buffalo, N.Y., 14203.. Los Angeles, Calif., 90013. Great Falls, Mont., 4453.. Providence, R.I., 02903.. 1 The appraiser of merchandise is under the jurisdiction of the collector of customs and is located at the same address as collector. Correspondence for the appraiser shall be sent to the collector-"Attention: Appraiser of Merchandise." U.S. Appraiser of Merchandise, New York, N.Y. § 1.7 Customs laboratories. The addresses of the several customs laboratories and the customs collection districts served thereby are as follows: 2. 6 Laboratory District No. 8.. Address 103 South Gay Street, Baltimore, Md., 21202. 408 Atlantic Avenue, Boston, Mass., 02210. Customhouse, Chicago, Ill., 60607. 531 Mateo Street, Los Angeles, Calif., 90013. Customhouse, New Orleans, La., 70130. 201 Varick Street, New York, N.Y., 10014. Branch Laboratory: Customhouse, San Juan, P.R., 00903. Customhouse, Philadelphia, Pa., 19106. 630 Sansome Street, San Francisco, Calif., 94111. Customhouse, Savannah, Ga., 31401. § 1.8 Hours of business. (a) Except as specified in paragraphs (b)-(g) of this section, each customs office shall be open for the transaction of general customs business between the hours of 8:30 a.m. and 5 p.m. on all days of the year except Saturdays, Sundays, and national holidays." (b) Different but equivalent hours shall be observed if a difference is required for the maintenance of adequate service because of local conditions, is approved by the Commissioner of Customs, and a notice of the hours of business is prominently displayed at the principal entrance and in each public room of the customs office. (c) At each port or station where there is no full-time customs employee, the hours during which the customs office will be open for the transaction of general customs business shall be fixed by the collector of customs concerned with the approval of the Commissioner of Customs, and notice thereof shall be displayed prominently at the principal entrance of the office. (d) Each customs office shall be open for the transaction of general customs business on all state and local holidays occurring on days other than Saturdays, Sundays, and national holidays. If a state or local holiday interferes with the performance of work in a customs office by any customs employee or employees, the principal field officer may request approval of the Commissioner of Customs to excuse such employees from duty without charge to leave. (e) Customs services required to be performed outside a customs office shall be furnished between the hours of 8 a. m. and 5 p. m. (or between the corresponding hours at ports where different but equivalent hours are required for the maintenance of adequate service and are approved by the Commissioner of Customs) on all days when the customs office is open for the transaction of general customs business. In accordance with such instructions as the Commissioner of Customs shall have issued from time to time and upon reasonable advance notice to the principal local officer concerned, such services may be furnished between the same hours on Saturdays. (f) Where there is a regularly recurring need for customs services outside the above prescribed hours, and the volume and duration of the required services are uniformly such as to require, of themselves or in immediately consecutive combination with other essential customs activities of the port, the full time of one or more customs employees, the necessary number of regular tours of duty to furnish such services on all days of the year except Sundays and national holidays may be established with the approval of the Commissioner of Customs. (g) Customs services shall be furnished private interests otherwise than as specifiled in this section only in accordance with the provisions of § 24.16 of this chapter. Verification of calculations, diagram of areas, and certification of results. 2.60a Marking net tonnage and official num- Appendix to certificate of registry. Table A of common intervals when tonnage depth is 16 feet or less. 2.68 Table B of common intervals when ton- Definitions of items of deduction. Definitions of structural terms, etc. 2.72 Suez and Panama Canal certificates. AUTHORITY: The provisions of this Part 2 issued under R.S. 161, 4153, as amended, secs. 2, 3, 23 Stat. 118, as amended, 119, as amended, sec. 4, 28 Stat. 743, as amended; 5 U.S.C. 22, SOURCE: The provisions of this Part 2 ap- pear at 28 F.R. 14553, Dec. 31, 1963, unless The regulations in this part are not retroactive, i.e., they do not apply to vessels the keels of which were laid prior to the date the rules in this part become effective. The regulations in this part become effective March 1, 1940. § 2.1 Authority of Commissioner. (a) The Commissioner of Customs is charged with the supervision of the laws relating to the admeasurement of ves- sels, and on all questions of interpreta- tion growing out of the execution of the laws relating to this subject his decision (b) The Commissioner of Customs shall, in the following sections, be re- ferred to as the Commissioner. (c) Doubts arising in the minds of the admeasurers concerning decks to the |