1#重庆人 5 h) d6 F1 t0 L! f: d ( b1 Z: F$ [$ S" C2 L/ \4 ? * l7 v- r% ?4 tIf the builder is responsible for rough grading and the certificate as per your contract signed, then for sure, your builder has to do whatever needed to get a pass, whether it is a retaining wall or anything else. Talk to your lawyer to find out.