It's no secret the Children's Online Privacy Protection Act can be a little confusing. To clarify some of the law's more difficult nuances the FTC published the COPPA FAQs several years ago. The FTC is constantly updating the FAQs as the law evolves with new technologies. Today, the COPPA FAQs have been updated again in an effort to help companies better understand COPPA's fine details. The updates address acceptable methods of verifiable parental consent. Changes can be found in FAQs H.5 and H.10, and there is also a new FAQs are located at H.16.
You can find the new COPPA FAQs on the FTC Website.