Ten Year Rule definition
Ten Year Rule means the following:
Ten Year Rule means, generally, the rule requiring that there be a period of at least ten (10) years between the date a seller conveys a project (which is applying for Acquisition Credits) and the later of: (i) the latest date such seller acquired ownership of the project and placed in service the last building to be placed in service in the project; or (ii) the latest date such seller substantially improved the last building to be so improved in the project.