(1)免税收入；免税所得
在美国，既指免除州和联邦所得税的收入，亦可指只免除州所得税或只免除联邦所得税的收入。

(2)免于被扣押的收入

• labor agreement
• labor a jury
• labor and material payment bond
• laborariis
• labor combination
• labor contract
• Labor Day
• labor department
• labor dispute
• labor dispute insurance
• laborer
• laborer's lien
• labor exchange
• Labor-Management Panel
• labor-management relations
• Labor-Management Relations Act
• Labor-Management Reporting Act
• labor market
• labor organization
• labor picketing
• labor relations acts
• Labor Relations Board
• labor representative
• Labor Standards
• Labor Statistics