T The complete systematic land registration (ptsl) is a government program aimed at providing legal certainty and legal protection for land rights. however, in its implementation, certificate issuances still occur that overlap with previously issued certificates. the research question is whether the issuance of land ownership certificate number 07731 through the ptsl program complies with applicable regulations and what the legal consequences are of this overlapping certificate. the research method used is normative legal research, which is descriptive in nature, using secondary data as the primary data and supported by primary data. data collection was conducted through literature review and interviews. data analysis was conducted qualitatively, drawing conclusions using deductive methods. based on the research results, it was concluded that the issuance of land ownership certificate number 07731 did not comply with government regulation number 24 of 1997 concerning land registration and regulation of the minister of agrarian affairs and spatial planning/head of the national land agency number 6 of 2018 concerning ptsl (completely implemented land acquisition). this was because the physical data collection, legal data research, and land boundary determination were not carried out carefully, resulting in an overlap with land ownership certificate number 7556. consequently, land ownership certificate number 07731 lacks legal certainty, is administratively flawed, is declared null and void by a supreme court decision, has lost its legal force, and the land office is obligated to remove and revoke the certificate from the land register held at the south tangerang city land office.