AAS 26 & SA 210 & sa 210 revised

can any body let me know besides numbering difference wat were new points added in SA 210 & THEN FROM SA 210 TO SA 210(REVISED)

how can i crame new sa number

SA 210 is just numerical change from AAS 26, however SA 210 (Revised) has many changes, it has included several procedures the auditor has to adopt before accepting an audit engagement and there is also a slight change in content of Engagement letter