No. Your employer has till your next scheduled pay check to pay you. If you are in California he has only 72 hours if you quit and 24 hours if you were fired.
check your local and state laws.
You can sue for the amount of the last check plus any hardship due to the late payment. (Small claims only)
An employer cannot retain your paycheck for any reason if you have earned it. Some employers have a delayed pay period based on payroll and when you began the job.
No an employee must be paid for all hours worked. File a claim with your state's department of labor for non payment of wages.
Your Wyoming employer has five days to issue your final paycheck.
Yes.
Their employer or the employers representative
Yes.
Direct Deposit.
The EIN (Employer Identification Number) is not required to be on the paycheck. If it is there, it would likely be in the format XX-XXXXXXX.
Your employer sends it to the federal government to help your income tax bill
This would be the employer choice to do this yes.
Withholding means that employer is taking funds out of the check for taxes.
Direct Deposit
I don't think an employer can delay mailing your paycheck, but in my experience, the check arrives one day later than a direct deposit is made.
Unemployment is not one of the deductions from a worker's paycheck. The employer, only, pays for unemployment insurance.