(1) No insurer shall issue, renew, or continue in force in this state any worker’s compensation insurance at premium rates which are less than the rates applicable under the filings in effect for the insurer, or in effect in accordance with section 41-1607 (exemption from filing) or 41-1613 (excess rates), Idaho Code.
(2) No filing shall contain a minimum premium that is less than one hundred fifty dollars ($150) or greater than three hundred dollars ($300).
(3) With respect to determination of premiums for partnerships and sole proprietorships, filings shall include a premium calculated on an annual salary of thirteen thousand dollars ($13,000).