(a) If a subdivision for which a final map is required lies within an unincorporated area, a certificate or statement by the county surveyor is required. If a subdivision lies within a city, a certificate or statement by the city engineer or city surveyor is required. The appropriate official shall sign, date, and, below or immediately adjacent to the signature, indicate his or her registration or license number and the stamp of his or her seal, state that:

1. (1) He or she has examined the map.
2. (2) The subdivision as shown is substantially the same as it appeared on the tentative map, and any approved alterations thereof.
3. (3) All provisions of this chapter and of any local ordinances applicable at the time of approval of the tentative map have been complied with.
4. (4) He or she is satisfied that the map is technically correct.