New Law Protects Disclosure of Work History
"Pennsylvania employers that disclose information about current or former employees to a prospective employer will enjoy a presumption that the disclosure was in good faith...Employees will be able to rebut the presumption of good faith only by presenting 'clear and convincing evidence' that the employer disclosed information that:
-the employer knew or should have known was false
-the employer knew was materially misleading
-was false and disclosed with reckless disregard for the truth; or
-was probibited from disclosure by contract or other law. "
Read more in this post from For Your Benefit.