He probably doesn't, which is one of a number of reasons why this whole thing is implausible and why the tone of the press coverage is too credulous this morning.
The DNC could, in theory, amend its rules for future debates to accommodate Bloomberg. (Say if you're polling above 10%, the donor requirement is waived.) But there's no particular reason to think the DNC itself will be a fan of the Bloomberg campaign.
Keep in mind that the subtext—hell, maybe just the text—of the Bloomberg campaign is to facilitate a brokered convention. It's "not competing" in the early states. Instead, it's hoping for a chaotic outcome there; then it hopes to create further complications on Super Tuesday.
