Corporate Responsibility and Taxpayer Protection Act of 2020 This bill imposes an excise tax on large employers (at least 500 full-time employees in the preceding calendar year) for qualified federal benefits received by their employees. The bill defines qualified federal benefits to include food stamps, school lunches, section 8 housing subsidies, and Medicaid benefits. The bill exempts employers that pay their employees $15 per hour and have less than $100 million in assets.