Yep - With respect to calculating the 2.5x grant/loan amount I think it's fairly clear in that document that state and local payroll taxes are included - but "payroll taxes"- presumed to be Federal- are excluded.
EXCLUDED Payroll Cost: 1. Compensation of an individual employee in excess of an annual salary of $100,000, as prorated for the period February 15, to June 30, 2020 2. Payroll taxes, railroad retirement taxes, and income taxes
INCLUDED Payroll Cost: 1. For Employers: The sum of payments of any compensation with respect to employees that is a: • salary, wage, commission, or similar compensation; • payment of cash tip or equivalent; • payment for vacation, parental, family, medical, or sick leave • allowance for dismissal or separation • payment required for the provisions of group health care benefits, including insurance premiums • payment of any retirement benefit • payment of state or local tax assessed on the compensation of the employee