Letters of recommendation differ based on who writes them and for what purpose. There are three basic types.
Employment recommendation - from Employer used for getting a job
Academic recommendation - from Teacher, professor used for getting into college or graduate school, receiving a scholarship or fellowship
Character reference - from Friend, relative used for Getting a job, winning an award, child adoption, court hearing, etc.
This form is a generic example that may be referred to when preparing such a form for your particular state. It is for illustrative purposes only. Local laws should be consulted to determine any specific requirements for such a form in a particular jurisdiction.