This bill matters because it removes outdated and gender-specific language from the federal tax code, replacing it with gender-neutral terms. While current IRS policy and Supreme Court precedent already ensure that legally married same-sex couples are treated the same as opposite-sex couples for tax purposes, this bill would officially put that principle into the written law.

If this bill becomes law, it would provide a clearer legal foundation for equal treatment, reducing potential for future challenges or misunderstandings about how tax laws apply to all married couples. If it doesn't become law, same-sex married couples will likely continue to receive equal tax treatment based on existing legal precedent, but the underlying text of the Internal Revenue Code would retain its gender-specific language.