Non-Tariff Measure

NTM classification
P13: Production and post-production requirements to export 
Date when the measure came into force
19 September 1979 
Publication where the measure is specified
Laws of Botswana Chapter 66:04 
Regulation where the measure is specified
Diamond Cutting Act 
Country/Region applying the measure
Botswana 
The rationale of the measure
No specific objective stated 
Coded list of objectives
X: For purposes n.e.s. 
Description of the measure
20. Export, sale, delivery or disposal of unpolished diamonds
(1) No licensee shall export or sell, deliver or dispose of unpolished diamonds other than such diamonds set in tools or implements or crushed or altered under authority of a diamond toolmaker's licence) except under such terms and conditions as may be determined by the Minister or as may be prescribed. (2) Any licensee who contravenes the provisions of this section shall be guilty of an offence. 
Reference of the measure
Article 20 
Measure also domestic
Yes 
Notes
The text of the Act may not be very explicit about the licensing requirement but subsidiary legislation (Diamond Cutting Regulations of 1980 (para. 8) makes it clear that export permit is indeed a requirement. 

Products affected by the measure.

Code Product Partial coverage Partial coverage indication Date in Date out
7102 Diamonds, whether or not worked, but not mounted or set. Yes Unpolished diamonds    
Description
Unpolished diamonds 

Countries/Regions affected by the measure.

Inclusion/Exclusion Country Date in Date out
Inclusion Entire world    
Description
Entire world