Shoe size "Footwear - Sizing - Vocabulary and terminology"; currently in development are companion standards ISO/TS 19409 "Footwear - Sizing - Measurement of last dimensions" and ISO/TS 19410 "Footwear - Sizing - Inshoe measurement". The adult shoe sizes are calculated from typical last length, which is converted from foot length in mm by adding an allowance of two shoe sizes: where formula_13 is foot length in mm. Direct conversion between adult UK, European and Mondopoint shoe size systems is derived as follows: Exact foot lengths may contain repeating decimals because the formulas include division by 3; in practice, approximate interval steps of
ISO/IEC 27006 ensure that ISO/IEC 27001 certificates issued by accredited organizations are meaningful and trustworthy, in other words it is a matter of assurance. ISO 27006 outlines requirements to be accredited for third parties who audit and certify information security management systems (ISMS), in addition to the requirements set by ISO 17021 1 and ISO 27001. This standard was first published in 2007, and it had to be revised twice due to significant changes made to ISO 17021 standard. The current version is ISO 27006 third edition published in 2015. ISO 27006:2015 sets standards for demonstration of ISMS auditors' competence. Certification Body