Arrive on time. Be open to questions. If you don't know the answer, explain that you'll get back with more information. Ask how the lawmaker will vote on the issue. After the visit, write a thank-you note and repeat your position.
Public testimony can be before a school board, a town council, or state or federal legislators.
Request in writing to testify, explaining why you want to speak and the perspective you would bring. Provide written testimony for filing with the group. You can expect to be limited in the amount of time you are allowed to speak. Oral testimony should be brief and have a central purpose and clear talking points. State the PTA's position and how you want policy makers to respond.