SDCL § 8-10-25: Endorsement of interest payments on warrant--Priority preserved though interest not paid.

All interest payments shall be endorsed by the treasurer on the back of the warrant and the warrant holder shall execute and deliver duplicate receipts for such payment to the treasurer, who shall retain one and deliver the other forthwith to the township clerk. All registered warrants, together with interest earned, but not paid, under the provisions of § 8-10-23, shall continue to be paid in the order of their registration as provided by law.