Given the task definition and input, reply with output. In this task, you are given a summary for US Congressional and California state bill, your task is to generate a Title for this bill. The preferred titles are under forty words and mention the purpose of the bill.

Uniformed Services Differential Pay Protection Act - Amends the Internal Revenue Code to treat differential wage payments as a payment of wages by an employer to an employee for income tax purposes. Defines "differential wage payment" as any employer payment to an individual serving on active duty in the uniformed services for more than 30 days which represents wages such individual would have received if such individual were performing services for the employer.

Treats an individual receiving differential wage payments as an employee and treats differential wage payments as compensation for retirement plan purposes.
To amend the Internal Revenue Code of 1986 to clarify the proper treatment of differential wage payments made to employees called to active duty in the uniformed services, and for other purposes.