FEDERAL INCOME TAX DEVELOPMENTS: 1975 is the third of an annual series of articles to be published in the Winter Issue of the Akron LAW REVIEW. The thrust of this article is not only to identify the new developments, but also to trace these concepts through their formative stages. The area of concentration for this article includes cases decided through September 30, 1975. Given the volatile nature of taxation, it is crucial for the practitioner in this field to remain current with the changes which have occurred during the tax year. The purpose of this article is to highlight for the practitioner the key alterations which have transpired over the tax year.