As some Apple stores look to unionize, the National Labor Relations Board says the company's rules are violating workers' rights.

A federal labor board official issued a complaint against Apple Inc., accusing the iPhone maker of requiring employees to abide by overzealous non-disclosure, social media, and non-compete policies.

A U.S. labor board issued a complaint accusing Apple of violating employees' rights to organize and advocate for better working conditions by maintaining a series of unlawful workplace rules.

The U.S. National Labor Relations Board (NLRB) issued a complaint accusing Apple (NASDAQ:AAPL) of imposing unlawful workplace rules that violate employees' rights, Reuters reported. The complaint, filed on October 1,