New Covenant theology is thus in contrast to Dual-covenant theology. It is considered a covenantal act, signifying entrance into the New Covenant of Christ. It is the historical expression of the eternal covenant of redemption. Aksum is also the alleged home of the holy relic the Ark of the Covenant. The biblical story in recounts the covenant of the pieces. This relationship is expressed in the biblical covenant (contract) between the two, received by Moses. It is claimed to contain the Ark of the Covenant. All members are required to sign and abide by the UNPO Covenant. It is said to have housed the Ark of the Covenant. Jesus is the mediator of the New Covenant. And mindful of his sacred covenant. The letter indicates controversy concerning circumcision, Sabbath observance, and the Mosaic Covenant. Others held that purity laws should be discarded as part of the Old Covenant. See also Circumcision controversy in early Christianity and the Abrogation of Old Covenant laws. See also Abrogation of Old Covenant laws.