1. Having registered for marriage and cohabitation.
2. If both men and women have lived together for a long time without going through marriage registration procedures, they should generally live together for more than two years.
3. Both men and women give birth to children during cohabitation without going through marriage registration procedures.
（1） Both parties have not gone through marriage registration procedures;
（2） Both parties have gone through the marriage registration procedures but do not live together;
（3） Giving money before marriage and causing difficulties for the payer.
