If you are married or a registered domestic partner (RDP) , the married/RDP filing jointly filing status normally provides the lowest tax rate and highest standard deduction. You can complete an online head of household self-test for 2014 below.o qualify for HOH filing status, you must have a qualifying person who is related to you and meets the requirements to be either a qualifying child or qualifying relative. You must also pay more than half the cost of keeping up your home in which you and your qualifying person lived for more than half the year.