2.1.1 Administrations should take appropriate
action to ensure uniformity in the implementation and application
of the provisions of this chapter.
2.1.2 The design review and approval of each unit
should be carried out by officers of the Administration. However,
the Administration may entrust this function to certifying authorities
nominated for this purpose or to organizations recognized by it. In
every case the Administration concerned should fully guarantee the
completeness and efficiency of the design evaluation.