That's a key criterion needed

for approval. However INS could approve your case without issuing a RFE on job status. If you file AC21 for your job change to INS, INS mostly will ask for the job information. Most lawyers recommend that don't to file AC21 notification to INS and just wait for INS's REF if they ask for your job status. When they ask for job description and salary, the job description and salary should meet the said conditions in 140.