Ministerial Regulation
No.23 (B.E. 2523)
Issued under the Mineral Royalty Rates Act B.E. 2509

By virtue of Section 4 of the Mineral Royalty Rates Act B.E. 2509 amended by the Mineral Royalty Rates Act (No. 2) B.E. 2520, Section 5 and Section 9 of the Mineral Royalty Rates Act B.E. 2509, and Section 6 and Section 7 of the Mineral Royalty Rates Act B.E. 2509 amended by the Mineral Royalty Rates Act (No. 3) B.E. 2522, the Minister of Industry has issued the Ministerial Regulation as follows:

Section 1 The following are hereby repealed:
(1)Ministerial Regulation No.18 (B.E. 2521) issued under the Mineral Royalty Rates Act B.E. 2509.
(2)Ministerial Regulation No.20 (B.E. 2522) issued under the Mineral Royalty Rates Act B.E. 2509.

Section 2 Royalties on tin shall be collected at the rates posted by the Director- General as follows:,¹⁸
(1) Zero point one percent of the price of tin metal in the ore per sixty kilograms, for the price of tin metal which exceeds three thousand baht, but does not exceed seven thousand baht.
(2) Five percent of the price of tin metal in the ore per sixty kilograms, for the price of tin metal which exceeds seven thousand baht, but does not exceed nine thousand baht.
(3) Fifteen percent of the price of tin metal in the ore per sixty kilograms, for the price of tin metal which exceeds nine thousand baht, but does not exceed ten thousand baht.
(4) Thirty percent of the price of tin metal in the ore per sixty kilograms, for the price of tin metal which exceeds ten thousand baht, but does not exceed fourteen thousand baht.
(5) Forty percent of the price of tin metal in the ore per sixty kilograms, for the price of tin metal which exceeds fourteen thousand baht, but does not exceed seventeen thousand baht.
(6) Fifty percent of the price of tin metal in the ore per sixty kilograms, for the price of tin metal which exceeds seventeen thousand baht, but does not exceed twenty thousand baht.
(7) Sixty percent of the price of tin metal in the ore per sixty kilograms, for the price of tin metal which exceeds twenty thousand baht.

Section 3 Royalties on minerals containing tungstic oxide shall be collected at the rates posted by the Director-General as follows:¹⁹

(1) Zero point one percent of the price of mineral containing tungstic oxide per picul, for the price of mineral containing tungstic oxide which does not exceed three thousand baht.

(2) Five percent of the price of mineral containing tungstic oxide per picul, for the price of mineral containing tungstic oxide which exceeds three thousand baht, but does not exceed four thousand baht.

(3) Ten percent of the price of mineral containing tungstic oxide per picul, for the price of mineral containing tungstic oxide which exceeds four thousand baht, but does not exceed five thousand baht.

(4) Fifteen percent of the price of mineral containing tungstic oxide per picul, for the price of mineral containing tungstic oxide which exceeds five thousand baht, but does not exceed six thousand baht.

(5) Twenty percent of the price of mineral containing tungstic oxide per picul, for the price of mineral containing tungstic oxide which exceeds six thousand baht.

Section 4 Royalties on gold shall be collected at the rate of two point five percent of the price posted by the Director-General.²⁰

Section 5 Royalties on silver shall be collected at the rate of ten percent of the price posted by the Director-General.
Section 6 Royalties on compound of tantalite and columbite shall be collected at the rate of five percent of the price posted by the Director-General.²¹

Section 7 Royalties on slag containing columbium pentoxide or tantalum pentoxide or combination of both shall be collected at the rate of five percent of the price posted by the Director-General.²²

Section 7 bis. Royalties on lead shall be collected at the rates posted by the Director-General as follows:²³
(1) Two percent of the price of lead per metric ton, for the price of lead which does not exceed eight thousand baht.
(2) Five percent of the price of lead per metric ton, for the price of lead which exceeds eight thousand baht, but does not exceed twelve thousand baht.
(3) Ten percent of the price of lead per metric ton, for the price of lead which exceeds twelve thousand baht, but does not exceed twenty thousand baht.
(4) Fifteen percent of the price of lead per metric ton, for the price of lead which exceeds twenty thousand baht.

Section 7 ter. Royalties on zinc shall be collected at the rates posted by the Director-General as follows:²⁴

(1) Two percent of the price of zinc per metric ton, for the price of zinc which does not exceed ten thousand baht.
(2) Five percent of the price of zinc per metric ton, for the price of zinc which exceeds ten thousand baht, but does not exceed twenty thousand baht.
(3) Ten percent of the price of zinc per metric ton, for the price of zinc which exceeds twenty thousand baht, but does not exceed thirty thousand baht.
(4) Fifteen percent of the price of zinc per metric ton, for the price of zinc which exceeds thirty thousand baht.

Section 7 quarter. Royalties on ground barite ore containing barium sulphate compound more than ninety-one percent, with the whiteness from eighty percent and up, and the barite containing barium sulphate compound less than ninety-one percent, with the whiteness less than eighty percent, shall be collected at the rate of two percent of the price of such mineral posted by the Director-General.²⁵

Section 7 quinque. Royalties on dimensional stones shall be collected at the rate of four percent of the price posted by the Director-General.²⁶

Section 7 sext. Royalties on industrial rocks shall be collected at the rate of four percent of the price posted by the Director-General.²⁷

Section 8 Royalties on other minerals shall be collected at the rates in the percentage of the price posted by the Director-General, based on the mineral royalty rates attached to this Ministerial Regulation.

Given on the 8th day of July, B.E. 2523

Signed by Major General Chatchai Chunhawan
The Minister of Industry

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18As amended by the Ministerial Regulation No.30 (B.E. 2528).
19 As amended by the Ministerial Regulation No.33 (B.E. 2529).
20As amended by the Ministerial Regulation No.47 (B.E. 2536).
21 As amended by the Ministerial Regulation No.54 (B.E. 2540).
22 As amended by the Ministerial Regulation No.52 (B.E. 2539).
23 As amended by the Ministerial Regulation No.38 (B.E. 2530).
24 As amended by the Ministerial Regulation No.38 (B.E. 2530).
25 As added by the Ministerial Regulation No.40 (B.E. 2530).
26 As added by the Ministerial Regulation No.53 (B.E. 2539).
27 As added by the Ministerial Regulation No.53 (B.E.2539).