It is easy to become overwhelmed with documentation in the belief that every single process that is in place in an organization must be documented, without realizing that this is not necessary to meet the requirements of the ISO 9001 standard. The 2015 revision of the standard become more liberal regarding documentation requirements, meaning that there are no longer six mandatory procedures as in the previous 2008 version of the standard. ISO 9001 also identifies many records that need to be maintained, which are generated by the processes of the Quality Management System. Below is discussed which documents and records are mandatory, and which are optional.