Among other guidelines: a submission must be original to you/your team; your submission cannot contain content that violates or infringes another’s rights, including but not limited to, privacy, publicity, copyright, trademark, trade secret, trade dress, patent, or any other intellectual property rights; and you/your team must have all rights necessary to submit your submission, including without limitation, the title or rights in any content, trademarks, artwork, text, and/or music featured in the submission.
There are other guidelines as well; the full list is set out in the
Official Rules.