130: ((new_references.grading_schema_cd IS NULL) OR
131: (new_references.version_number IS NULL) OR
132: (new_references.default_grade IS NULL))) THEN
133: NULL;
134: ELSIF NOT igs_as_grd_sch_grade_pkg.get_pk_for_validation (
135: new_references.grading_schema_cd,
136: new_references.version_number,
137: new_references.default_grade
138: ) THEN
147: ((new_references.grading_schema_cd IS NULL) OR
148: (new_references.version_number IS NULL) OR
149: (new_references.incomplete_grade IS NULL))) THEN
150: NULL;
151: ELSIF NOT igs_as_grd_sch_grade_pkg.get_pk_for_validation (
152: new_references.grading_schema_cd,
153: new_references.version_number,
154: new_references.incomplete_grade
155: ) THEN