Wayfair's impact on the Marketplace Fairness Act

https://dor.wa.gov/find-taxes-rates/retail-sales-tax/marketplace-fairness-leveling-playing-field/wayfairs-impact-marketplace-fairness-act-and-requirement-make-retail-sales-tax-choice

Washington to begin collecting sales tax from out-of-state sellers

https://dor.wa.gov/about/news-releases/2018/washington-begin-collecting-sales-tax-out-state-sellers

Vermont ~ Multiple Taxes: Senate Passes Proposal of Amendment to Miscellaneous Tax Bill

http://news.cchgroup.com/2017/05/04/vermont-multiple-taxes-senate-passes-proposal-amendment-miscellaneous-tax-bill/

Hawaii ~ Sales and Use Tax: Legislation Proposing Out-of-State Seller Reporting Requirements, Amendment to Definition of “Business” Passed by House

http://news.cchgroup.com/2017/04/13/hawaii-sales-use-tax-legislation-proposing-state-seller-reporting-requirements-amendment-definition-business-passed-house/

Direct Marketing Association Settles with Colorado Department of Revenue

https://taxify.co/2017/03/30/direct-marketing-association-settles-colorado-department-revenue/

REMOTE SELLER NEXUS CHART

http://www.salestaxinstitute.com/resources/remote-seller-nexus-chart

Colorado DOR Schedules Stakeholder Work Group on April 25th to Discuss Possible Revisions to Remote Seller Notice & Reporting Regulation

http://newsletters.usdbriefs.com/2017/Tax/STM/170324_6.html

Colorado’s Use Tax Reporting Requirements: What Happens Now?

https://www.linkedin.com/pulse/colorados-use-tax-reporting-requirements-what-happens-diane-yetter

Alabama enacts use tax notification requirements for remote sellers; amends simplified sellers use tax

https://www.pwc.com/us/en/state-local-tax/newsletters/salt-insights/alabama-enacts-remote-seller-use-tax-notification-requirements.html

Amazon and Other "Nexus Expanding" Laws - By State Summary

http://www.salestaxsupport.com/blogs/issues/internet-tax-ecommerce/amazon-and-other-nexus-expanding-laws-by-state-summary/

Colorado use tax notification starts July 2017

https://www.avalara.com/blog/2017/03/07/colorado-use-tax-notification-starts-july-2017/

Georgia Senators raise questions about e-retailer tax bill

http://www.ajc.com/news/state--regional-govt--politics/georgia-senators-raise-questions-about-retailer-tax-bill/MbAPulzMOvF7I5dd4LDhWN/

The future of online sales tax: What if they fail to kill Quill?

http://www.accountingtoday.com/opinion/the-future-of-online-sales-tax-what-if-they-cant-kill-quill

Amazon collecting sales tax in 40 states & D.C.

http://www.dontmesswithtaxes.com/2017/02/amazon-collecting-sales-tax-in-40-states-and-dc.html

They forgot to add Arkansas to the list:
http://salestaxnews.blogspot.com/2017/02/arkansas-sales-and-use-tax-amazon.html

Coloradans hate the state's new 'tattletale' sales tax law, but it will take effect this summer

http://www.dontmesswithtaxes.com/2017/02/colorado-tattletale-sales-tax-law-hated-but-starts-july-1.html

https://www.bna.com/fight-settled-colorado-n57982084356/

https://www.law360.com/tax/articles/895483

SALES TAX SLICE: YOU SPENT HOW MUCH ON SHOES?! STATE AND LOCAL GOVERNMENTS ARE DEMANDING MORE TRANSPARENCY REGARDING USE TAX LIABILITY

https://www.bna.com/sales-tax-slice-b57982084268/

Utah lawmakers want better enforcement of online sales tax

http://kutv.com/news/local/utah-lawmakers-want-better-enforcement-of-online-sales-tax

Pennsylvania ~ Sales and Use Tax: Internet Seller Notice Requirements Introduced

http://news.cchgroup.com/2017/02/21/pennsylvania-sales-use-tax-internet-seller-notice-requirements-introduced/

http://www.taxrates.com/blog/2017/02/22/pennsylvania-considers-use-tax-notification-requirement/

Georgia ~ Sales and Use Tax: House Passes Bill Containing Remote Seller Notice Requirements

http://news.cchgroup.com/2017/02/17/georgia-sales-use-tax-house-passes-bill-containing-remote-seller-notice-requirements/

A Three-Map Overview of State Sales Tax Compliance for Remote Sellers

https://www.multistate.us/blog/a-three-map-overview-of-state-sales-tax-compliance-for-remote-sellers