As of January 1, California retailers have been required to collect an extra one percent tax certain lumber products. Plywood, framing lumber, and unfinished decking are among the products subject to the tax. Doors, windows, trim, and other more heavily processed items are not.

In some cases the rules seem arbitrary: large dowels are taxable but small ones are not. Implementing the tax has been a headache for retailers because it only applies to certain products — and there is no comprehensive list for them to consult. Read more...