After much legal wrangling, a federal court has ruled that the National Labor Relations Board (NLRB) can require private employers to post a notice that informs employees of their legal right to form a union. The deadline for posting the new notice is April 30, 2012.
You can find more detailed information about the poster and download a free printable version of the poster (in English and Spanish) at the following link: http://www.nlrb.gov/poster
Please feel free to contact me if you have any questions or concerns about this new requirement.