In two recent General Information Letters (GILs), the Illinois Department of Revenue (Department) reaffirmed that computer software provided through a cloud-based delivery system is not subject to tax in Illinois. The Department announced that while it continues to review cloud-based arrangements and may determine they are taxable at some point, any decision to tax cloud-based services will be applied prospectively only. The GILs also recognize Quill’s physical presence requirement for Commerce Clause nexus. (more…)