When a bill is introduced in the Legislature, and each time a bill is amended, on and after January 1, 1985, the Legislative Counsel shall determine whether the bill mandates a new program or higher level of service pursuant to Section 6 of Article XIII B of the California Constitution. The Legislative Counsel shall make this determination known in the digest of the bill and shall describe in the digest the basis for this determination. The determination by the Legislative Counsel shall not be binding on the commission in making its determination pursuant to Section 17555.