S.D. Codified Laws § 33A-2-15
Any bonus earned pursuant to § 33A-2-13 that is based on qualifying service during the period September 11, 2001, to a date to be determined by the Legislature, shall be paid at the rate of one hundred dollars for the first month and twenty dollars for each subsequent month of active duty in the armed forces during such period, to a maximum bonus of two hundred forty dollars. However, any person who qualifies for a bonus pursuant to § 33A-2-13 and who has received or is eligible to receive a United States campaign or service medal awarded for participation outside the boundaries of the United States in combat operations against hostile forces, shall, for the time served in one or more such areas qualifying for any of the medals listed in this section, be paid one hundred fifty dollars for the first month and fifty dollars for each subsequent month of such service, up to a maximum bonus, together with any payments pursuant to this section for service not qualifying for any such medal, of five hundred dollars.
SDCL 33A-2-15