No
No, they are not required. It is just polite.
The employer is under no obligation to hire you, the job applicant.
A past employer may give a prospective employer an overview of the employee's employment record. They can give their opinion about the employee's character.
How much notice does an employer have to give an employee when changing their schedule?
yes it's the law
The way that an employer would refuse to give an employee a handbook is they are trying to with hold a benefit.
Each state has its own rules.
A written statement of employment is a legally binding document which puts the main terms of employment in a document and which an employer is required to give to an employee.
Sure can. It belongs to the company and not the employee.
Whenever their employer chooses to give them one.
2 weeks
Not since 1994.