United States Arizona: New post-Wayfair law requires some remote sellers and marketplace facilitators to start collecting TPT as of 1 October 2019 10 June 201923 views1 min read Source: Deloitte E-Commerce / Electronic services New law modifies out-of-State retailer and marketplace provider post-Wayfair collection and remittance responsibilities as of 30 September 2019 Maryland: New law requires marketplace facilitators to collect and remit taxes under post-Wayfair nexus standards as of 1 October 2019