Arizona Voluntary Acknowledgment Of Paternity With Affidavit Of Legally Presumed Father is a process in the state of Arizona that allows a father to legally acknowledge paternity through a voluntary court process. The process includes completing an affidavit of paternity and filing it with the Arizona Department of Health Services. The affidavit establishes the legal father-child relationship and is the first step in securing the rights of both the father and the child. There are two types of Arizona Voluntary Acknowledgment Of Paternity With Affidavit Of Legally Presumed Father: the standard voluntary acknowledgment and the acknowledgment with affidavit of legally presumed father. The standard voluntary acknowledgment requires the signature of both the mother and the father. The acknowledgment with affidavit of legally presumed father is used when the father is presumed to be the legal father due to a prior court order or other legal proceedings. In this case, only the mother needs to sign the affidavit.