Hemp Forms and Instructions

Download the appropriate form from the list below, to accompany your sample submission for analysis:

Hemp Cannabinoid Analysis Request Form

Hemp Plant Tissue Analysis Request Form

Follow the Hemp Sampling Recommendations and Procedures below to pull a hemp sample for cannabinoid analysis: 

Hemp Sampling Recommendations and Procedures

Shipping Instructions for Industrial Hemp

Download the PDF instructions here.

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:
 
To Postal Handler:
 
This shipment contains laboratory samples of hemp products. I  attest these products have been 
produced and shipped in accordance with the Agricultural Act of 2014 (“Act”), and the associated 
advisory “Acceptance Criteria for Cannabidiol (CBD) Oil and Products Containing CBD” released by 
USPS on March 4, 2019. These samples are being delivered for testing purposes to a laboratory that 
is accredited by its State to receive, store, and test hemp and CBD products.
 
I certify that all information furnished 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.
 
Sincerely,
 
<Print and sign mailer name>

Rock River Laboratory

Founded in 1976, Rock River Laboratory is a family-owned laboratory network that provides production assistance to the agricultural industry through the use of advanced diagnostic systems, progressive techniques, and research-supported analyses.  Employing a team of top specialists in their respective fields, Rock River Laboratory provides accurate, cost-effective, and timely analytical results to customers worldwide, while featuring unsurpassed customer service.

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