Update: Amazon responds.

Update (2nd Nov, 01:10 BST): In a statement given to ArsTechnica, Amazon has responded to the restrictions placed upon third-party sellers (see original article below). The restrictions were supposedly put in place “in error” and have since been reversed.

Yesterday’s email was sent in error, and all impacted listings were reinstated within hours.

Read the full article on nintendolife.com

Original source: http://www.nintendolife.com/news/2019/11/amazons_sudden_restriction_on_used_nintendo_game_sales_was_an_error