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an entity treated as an S-Corp is far different than a partnership.  in an S-Corp you own a certain percentage and he owns a certain percentage. you say 70/30 profits and distributions must be split that way. failure could result in automatic termination of the S-Corp election.  however, it is possible for both of you to agree that that $7,000 bought more shares in the corp for you.  so that would allow a different allocation.    now you no one of the issues of an S-Corp when there are multiple shareholders and not everyone wants to kick in their share when needed.   see a lawyer.