You may add a same gender or opposite gender domestic partner to certain benefit plans if your domestic partner meets the plans' criteria. If you add a same gender or opposite gender domestic partner, you may need to review and compare the benefit plans that are available to you. On this page, you will find information about benefits coverage and election changes that may be helpful to you, as an active eligible U.S. employee.

Note: While MMC voluntarily makes coverage available to domestic partners, domestic partners are not treated as spouses under the Internal Revenue Code.