Where do I get the forms for nj saver rebate

You might try the website for the New Jersey tax authority.

If you are referrring to the NJ Homestead Rebate, you can find info here:

NJ Division of Taxation - Income Tax - Property Tax Deduction/Credit

If you are eligible you may take either a homestead credit or deduction. Use Worksheet F in form NJ-1040 to determine which is best for you.