Here are some tips on how to be 2257 compliant, and some useful resources to help you get started.
Prior to any shoot ensure you have; properly explained to the model(s) the details of the shoot (what type of shoot, the duration, and any important elements that will happen during production), inspected photo IDs for age verification, photographed the photo IDs, photographed the model(s) with photo ID to show consent, as well as signed proper model release discharging you of any liability (with a signed witness preferably).
Sample of a photograph of the model with her ID cards:
(Make sure the resolution permits easy reading of the IDs)