How do you make sure your I-9 forms are in compliance? Sure you can hire a copmany and have them review your papers. You also may want to look into conducting a self audit. I-9 self audit is complex and requires advanced knowledge of the field. Consider looking at the book I-9 Self Audits: The Best Way to Prevent I-9 Disasters
, published by the business immigration attorney Mira Mdivani. Step-by-step instruction on how to conduct the I-9 self audit, samples of the documents, checklists and other "must know" information are all put together and may work as you manual while conducting an I-9 self audit. Some chapters are available on-line for your review.
You may look at the schedule of the trainings to see if you need to brush up your memory on I-9 or E-Verify compliance.