Continuous execution of the administrative right over Takeshima
February 22, 1905 -
Shimane Prefecture announced the incorporation of Takeshima, added Takeshima to the State Land Register, and conducted field studies. No.8-10
Based on the Cabinet decision, Shimane Prefecture announced on February 22, 1905 the incorporation of Takeshima throughout the prefecture, added Takeshima to the State Land Register, and designated the sea lion hunting as a fishery activity that required a license from the Shimane Governor. In the same year, the Governor visited Takeshima. In 1906, the Shimane Prefectural research corps landed on the island to investigate and made geological maps. At the national level, the Japanese Navy Hydrographic Department took measurements of Takeshima. With these activities, the administration of Takeshima was consolidated.
Shimane Prefectural Notice No.40
This notice clarifies the location of the islands in terms of northern latitude and eastern longitude, and informs all jurisdictions inside Shimane Prefecture that the islands shall be known as Takeshima and placed under the jurisdiction of the Governor of the Oki Islands belonging to Shimane Prefecture.
Excerpt
The islands at 37°9'30" north latitude and 131°55' east longitude located 85 nautical miles northwest of the Oki Islands are hereby named Takeshima, and shall come under the jurisdiction of the Oki Islands Branch Office of this prefecture.
Matsunaga Bukichi (Governor of Shimane Prefecture)
February 22, 1905 (Meiji 38)
[Repository] Shimane Prefecture Public Records Center

Original Record of Longitude and Latitude Measurement
An original record of longitude and latitude measurement conducted by the Hydrographic Department. It includes a measurement map of Takeshima surveyed in August 4 to 5, 1908.
Excerpt
Location:
East Coast of Korea, Takeshima (Oki Province), Mejima, on the south horn
Measurement Dates: August 4 to 5, 1908
Hydrographic Department, Imperial Navy
August, 1908 (Meiji 41)
[Repository] Hydrographic and Oceanographic Department, Japan Coast Guard

Jurisdiction
May 1905
Entry in Ledger of State-Owned Land
At the instruction of Shimane Prefecture, the Oki Island Branch Office took measurement of the area of Takeshima, and reported the result with an abbreviated map. Shimane Prefecture added this result to a Ledger of State-Owned Land in accordance with the report. The area is recorded as 23 cho 3 tan 3 sebu (approx. 0.231 km²).
Ledger of State-Owned Land / Takeshima
Geographical Section, Shimane Prefecture
May 17, 1905 (Meiji 38)
[Repository] Shimane Prefecture Public Records Center

March 29, 1909
Designating the area of jurisdiction by Imperial Edict
This Imperial Edict in 1909 designated the Oki Islands as an Island Area in which the Island Branch Office was established, and included Takeshima once again in the area under the jurisdiction of the Oki Island Branch Office. Accordingly, in 1909, the Oki Islands were officially designated as an Island Area with the Island Branch Office by this Imperial Edict, and it was clearly stated that Takeshima was placed under the jurisdiction of this Island Branch Office.
Imperial Edict No. 54 of 1909
Excerpt
I hereby proclaim to approve the case of designation of the Island Areas in which the Island Branch Offices are established.
(official signature and seal)
March 29, 1909
(text omitted)
Imperial Edict No. 54
The Island Areas in which the Island Branch Offices are established are designated as follows:
Name of prefecture, Name of Island Branch Office, Area under the jurisdiction
(text omitted)
Shimane Prefecture, Oki Island Branch Office, Oki Island, Takeshima
(text omitted)
Registration
June 6, 1905
Commercial Registration
This is an official publication (gazette) that announces the registration of the Takeshima Fishing and Hunting Limited Partnership Company with Yozaburo Nakai as representative, established in 1905.
Official Gazette (6586)
Excerpt
Commercial Registration
-- Company Name: The Takeshima Fishing and Hunting Limited Partnership Company
Headquarters: Saigo-cho, Suki County, Shimane Prefecture
Purpose: Hunting sea lions around Takeshima, production and sales
Representative member of the company: Yozaburo Nakai
Date of establishment: June 3, 1905 (Meiji 38)
Registered on June 6, 1905
Saigo Ward Court
June 6, 1905 (Meiji 38)
[Repository] National Diet Libary
Taxation
March 1, 1906
Taxation on sea lion hunting
Shimane Prefecture amended Prefectural Ordinance No. 11 of March 1901 (Regulations on the Assessment of Prefectural Taxes), adding "sea lion hunting" to the list of items subject to business tax (fishery and seaweed harvesting), with a tax rate.
Shimane Prefectural Ordinance No.8
(Regulations on the Assessment of Prefectural Taxes)
Excerpt
Fishery and Collecting Seaweeds
Section of open sea
Whaling
Sea lion hunting
1.5% of the value of catches per annum
Matsunaga Bukichi (Governor of Shimane Prefecture)
March 1, 1906 (Meiji 39)
[Repository] Shimane Prefecture Public Records Center
1906 -
Collection of the rent for State-Owned Land
Yozaburo Nakai submitted the request for leasing Takeshima and obtained permission to do so. A request was submitted every five years, and the lessee paid the annual rent for State-Owned Land into the Bank of Japan. The ledger remains, recording the collection of the rent with the entry of 4.70 yen.
Rental fees for state-owned property (land use fees)
Excerpt
Matter: Takeshima island acreage 23 cho 3 tan 3 sebu (approx. 231 km²), rental fee for 1 year from April 1925 to March 1926
Revenue category Bank of Japan
Oki Island Office
1925 (Taisho 14)
[Repository] Shimane Prefecture Public Records Center
Industrial Regulation and Licensing
April 14, 1905
Designating sea lion hunting as an activity requiring license by the Prefectural Governor
Shimane Prefecture added sea lion hunting around Takeshima to the list of industrial fisheries activities requiring license by the Prefectural Governor by amending the Fishing Industry Control Regulations, in order to prevent over-hunting of sea lions.
June 5, 1905
Issuing license for sea lion hunting
Shimane Prefecture issued a sea lion hunting permit to Yozaburo Nakai and others who submitted requests, with a license tag.
April 1, 1921
Permission to collect seaweed around Takeshima
Shimane Prefecture amended the Fishing Industry Control Regulations to permit licensed fishermen engaging in sea lion hunting to also collect seaweed and shellfish in a specified area around Takeshima.
Shimane Prefectural Ordinance No. 21 in 1921
Excerpt
Article 15
5. Amend the attached clause to “this article shall not apply to the fishermen who obtain a license for sea lion hunting when they collect agar, laver, wakame, mother-of-pearl, abalones, hard-shelled mussels, etc.”
Sanehide Takarabe (Governor of Shimane Prefecture)
April 1, 1921 (Taisho 10)
[Repository] Shimane Prefecture Public Records Center
June 6, 1936
Granting permission for prospecting for rock phosphate
Upon the submission of a request for prospecting for rock phosphate, the Osaka Mine Supervisory Office, Ministry of Commerce and Industries, granted permission on June 6, 1939. The Ministry of Commerce and Industries publicized this granting of permission in the Official Gazette No. 3813 on September 19, 1939.
Mining matter (Ministry of Commerce and Industries) Permission for prospecting for rock phosphate
Excerpt
Mining Matter: The measures in accordance with the Mining Act are as follows:
(Ministry of Commerce and Industries)
Permission for prospecting Registration No.: Shimane 2,143
Location of mining area: Takeshima, Oki and the surface of the surrounding sea area
Kind of mineral: Phosphate
Area: 83,800 tsubo (0.28 sq. km)
Right holder and address: Tottori Prefecture (text omit)
Date of permission and registration: June 6, (Showa) 14 (1939)
Ministry of Commerce and Industries
September 19, 1939 (Showa 14)
[Repository] Shimane Prefectural Library
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