For business and nonprofit employers, increases minimum wage to $20 per hour; repeals exemption of agricultural workers from minimum wage laws; phases in overtime pay for agricultural workers; sets minimum salary to qualify as an executive, administrative, or professional employee for purposes of exemption from minimum wage and overtime laws; removes authority of Labor Commissioner to recommend a subminimum wage for individuals with disabilities; removes prospective repeal of the Attorney General's authority to investigate and enforce complaints of employee misclassification.