Do Biometric authentication standards exist or not?

Biometric authentication standards – do they exist or not?… are they enforced …are they strong enough to instill confidence in Biometric Authentication mechanisms? Discuss and articulate your opinion backed up by research. Ensure you scrutinize literature and internet to identify what NIST and ISO are doing in this respect. Some links that may be of interest: http://www.nist.gov/itl/iad/ig/biometric_standards.cfm http://www.nist.gov/itl/iad/ig/ansi_standard.cfm