Any wrong rule or missing rule (wrong days /time etc..) on a STREET parking spot.
If someone didn't add a “no parking anytime” (NPA) in zones where we can't park and it's longer than 10m.
Inaccurate pictures
if the picture is blurry and there is no way to know exactly what's in there, it's better to reject it and leave a comment to the user asking for more clarifications.
if the picture has nothing to do with the street or parking
Segments overlapping
If there are multiple segments overlapping, reject the edit and leave a comment to the map maker so they understand why(you can take a screenshot in case there's a disagreement later)
Things you shouldn't reject
We shouldn't reject tickets when the rules are accurate
Example:
NPA for fire hydrants or driveways even if it is shorter than 10m.
NPA in the corners of the street even if there is no red curb.
Don't reject a segment if someone didn't add a small driveway as NPA (it's okay TO NOT add NPA if it's shorter than 10m).
Don't reject rules that aren't contradictory (ex adding no parking when there's a no standing rule, or when there's street cleaning) - they are unnecessary but not wrong (logically).
Don’t reject a ticket if the segment length is not absolutely correct. There is a ~5m (1 spot) accuracy rule.
We shouldn't reject an edit on GARAGES if it has accurate but incomplete information
Example
Garage type and name changed without adding the rates