Conservative Judaism does not sanction intermarriage, but encourages acceptance of the non-Jewish spouse by the family in the hope that such acceptance will lead to the spouse's conversion to Judaism.In December 2014 the United Synagogue of Conservative Judaism's United Synagogue Youth controversially modified a binding rule that its leaders would not date non-Jews, replacing it with a "recogni[tion of] the importance of dating within the Jewish community." In 2015 the Reconstructionist Rabbinical College voted to accept rabbinical students in interfaith relationships, making Reconstructionist Judaism the first movement within Judaism to allow rabbis to have relationships with non-Jewish partners.This depends on religious prohibitions against the marriage by the religion of one (or both) spouses, based on religious doctrine or tradition.In an interfaith marriage, each partner typically adheres to their own religion; this excludes a marriage of a spouse belonging to religion X to a spouse who has undergone religious conversion from religion Y to religion X.Vedas and Gita do not talk of caste and related marriages because those are spiritual texts.However law books like Manusmriti, Yajnavalkya smriti, Parashara etc." on its website: "Intermarriage is the positive consequence of a free and open society.
Some traditional Zoroastrians in India disapprove of and discourage interfaith marriages, and female adherents who marry outside the faith are often considered to be excommunicated.
In 2014 the Sikh Council in UK developed a consistent approach towards marriages in Gurdwaras where one partner is not of Sikh origin, following a two-year consultation with Gurdwara Sahib Committees, Sikh Organisations and individuals.
The resulting guidelines were approved by the General Assembly of Sikh Council UK on 11 October 2014, and state that Gurdwaras are encouraged to ensure that both parties to an Anand Karaj wedding are Sikhs, but that where a couple chooses to undertake a civil marriage they should be offered the opportunity to hold an Ardas, Sukhmani Sahib Path, Akhand Path, or other service to celebrate their marriage in the presence of family and friends.
Interfaith marriage is also distinct from interracial and inter-ethnic marriage (also known as "mixed marriage"), since spouses in an interfaith marriage may share the same race or ethnicity.
In some religions, religious doctrine prohibits interfaith marriage.