Maine Prescription Pads

In addition to the federal requirements, Maine state law requires:

• A latent “void” pattern shall be printed across the entire width of the front of the prescription blank, such that if a prescription is photocopied the word “void” will appear in a pattern across the entire front of the prescription.
• A repetitive watermark shall be printed on the backside of the prescription blank so that it shall only be seen at a forty-five (45) degree angle. The watermark shall bear the name of the company manufacturing the prescription blank or the word “security.”
• The prescription blank shall contain a word or symbol printed with ink that disappears if rubbed or scratched briskly.
• The prescription blank shall contain a feature that shows obvious tampering if the blank is exposed to erasure or attempted erasure, either through the use of abrasion or chemicals.
• The prescription blank shall be four and one-quarter (4 ¼) inches high and five and one-half (5 ½) inches wide.

Read documentation here.

For the federal requirements, you can refer to the official documentation here and here.