Hemp Shipping Instructions

 Acceptance Criteria for Cannabidiol (CBD) Oil and Products Containing CBD” released by USPS on 

March 4, 2019:

 

Any mailer who presents industrial hemp for mailing must demonstrate that the package contents are 

compliant with the Agricultural Act of 2014 by providing the following documentation:

 

1.    A signed self-certification statement, subject to the False Statements Act (18 U.S.C. § 

1001). Statements must be printed on the mailer’s own letterhead, and must include the text, “I 

certify that all information contained in this letter and supporting documents are accurate, 

truthful, and complete. I understand that anyone who furnishes false or misleading information or 

omits information relating to this certification may be subject to criminal and/or civil penalties, 

including fines and imprisonment.”

 

2.    The industrial hemp producer possesses a license issued by the Department of Agriculture, for 

the state where the Post office/ acceptance unit is located, which includes documentation 

identifying the producer by name and showing the mailer is authorized by the registered producer to 

market products manufactured by that producer.

 

3.    The industrial hemp, or products produced from industrial hemp, contains a delta-9 THC 

concentration of not more than 0.3% on a dry weight basis.

 

Mailers must provide, at a minimum, a signed statement on their own letterhead, a document showing 

the mailer has authorization to market CBD products by the entity registered or licensed by the 

State.”

 

Rock River Laboratory retains copies of the above-described documentation it until the expiration 

date shown on the state Department of Agriculture license.

 

Ship samples to: Rock River Laboratory, PO Box 169, Watertown, WI 53094. Samples will NOT be 

accepted at any other Rock River Laboratory location.

 

Mailers may use the following certification statement template on personal letterhead: