I found this on the internet. I don't know if it applies to Heartland products but it is interesting reading.
Limited Warranty and Tire Adjustment Policy
Eligibility
All new Trail America Trailer Use Only Tires, obtained through JCA Corporation bearing the Trail America Name and the D.O.T Identification Number on tire.
Adjustment Policy During the First 25% of Tread Wear.
During the first 25% of a tread wear or a period of one year from the date of delivery to the original purchase thereof. Trail America Trailer Tire distribution are authorized, subject to terms and conditions of the limited warranty, to replace, free of charge, any eligible tire that, in the opinion of Trail American/JCA Corporation becomes unusable due to defects in workmanship or materials.
Adjustment Policy During Last 75% of Tread Wear.
Tires becoming unserviceable due to defects in workmanship or materials will be warranted on a pro rate basis down to the 2/32nd of the original usable tread. Some exclusions may apply.
Exclusions
This limited warranty does not apply to: tires older than one year from the date of delivery to the original purchase thereof. Tires used for racing purposes. Tires branded "N/A" (non-adjustable) or "NRA" (no ride adjustment). Tires on which the brand name or serial number has been obliterated. Tires submitted "OUT OF ROUND" that are worn irregularly or worn prematurely, whether from wheel misalignment, improper mounting, worn shock absorbers or brakes, improper load or inflation, faulty valves, damaged rims, accident, abusive driving practices, and vehicle malfunction.
Conditions
ELIGIBLE TIRES under this limited warranty are Trail America Trailer Use Only tires, obtained through JCA Corporation and which are presented for the LIMITED WARRANTY coverage to an authorized TRAIL AMERICA/JCA CORPORATION ASSOCIATE DEALER. The amount of credit is to be applied to the current price and the customer pays the difference plus all taxes and dealer services. All Trail America tires not covered by the warranty will be adjusted on a PRO RATE basis, which is based upon the actual tread depth worn, expressed as a percentage of the original tread depth to the tread wear indicators (2/32nds) multiplied by the original purchase price (as verified by customers invoice). APPLICABILITY of this Limited Warranty is contingent upon [a] the subject tire not being older than one year from the date of delivery to the original purchase thereof,
the subject tire not having been mounted on any other vehicle than the vehicle on which it was first mounted, [c] the claim being presented by the original purchaser of the subject tire, [d] presentation of the original invoice. ADDITIONAL CHARGES for taxes, mounting, balancing, or a higher priced tire accepted as a replacement, shall be paid by the consumer in connection with all claims under this Limited Warranty
DISCLAIMER
EXCEPT AS EXPRESSLY PROVIDED BY THIS LIMITED WARRANTY, NO WARRANTY, EXPRESSED OR IMPLIED, IS MADE AND ALL WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. TRAIL AMERICA/JCA CORPORATION SHALL NOT BE LIABLE FOR ANY INDIRECT, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGE SUFFERED OR INCURRED BY THE CONSUMER OR THIRD PARTY, WHETHER BASED ON CONTRACT, TORT, WARRANTY, STRICT LIABILITY OR ANY OTHER THEORY. SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF DAMAGES, SO THIS LIMITATION OR EXCLUSION MAY NOT APPLY TO YOU.
Trail America