The topographic diagram submitted for notarial transactions (sales, parental gifts, donations, inheritances, etc.) is the most comprehensive surveying product a licensed engineer can provide. It includes: Verification of ownership boundaries through title deed research, Compliance check against urban planning regulations, Technical validation of buildability and legality, Issuance of certifications under Law 651/1977 (on boundary accuracy) and Law N.1337/1983 (on urban extension inclusion), Certification under Law N.4178/2013 (regarding the presence or absence of unauthorized constructions).