MO SB860

Increases the annual withholding threshold for employers from $20 to $100, requiring employers with less than $100 in quarterly withholding to file annually instead of quarterly.

Exempts 40% of new manufactured home sales and 40% of new modular unit sales from state and local sales taxes by classifying those portions as services rather than tangible property; exempts all used manufactured home sales from sales tax.

Expands the annual back-to-school sales tax holiday to include graphing calculators (up to $150 value) and clarifies that items must be purchased for personal use only.

Allows purchasers to submit direct refund claims to the Director of Revenue for sales or use taxes paid to vendors, with provisions for notarized assignment of rights statements or documentation of unsuccessful vendor contact attempts.

Requires the Director of Revenue to respond to binding letter ruling requests within 60 days or be barred from pursuing collection of assessments related to that ruling; exempts retailers prohibited from collecting sales tax under section 66.630 from advertising restrictions on tax absorption.