It would indeed be interesting if somebody would write a nice layman's description, but I haven't found one. Here are the official rules: http://www.ifac.org/s

It would indeed be interesting if somebody would write a nice layman's description, but I haven't found one. Here are the official rules: http://www.ifac.org/system/files/publications/files/B5%20IPSAS_29.pdf http://www.ifac.org/system/files/publications/files/B5%20IPS...