2. The owner or his authorised representative established in the Community must take all steps necessary to ensure that the conditions of use and of maintenance are such as to enable the transportable pressure vessels to comply permanently with the requirements of these Regulations and in particular that:E+W+S
— the transportable pressure vessels are used as intended,
— the transportable pressure vessels are filled in appropriate filling centres,
— any maintenance work or repairs are carried out,
— the periodic inspections necessary are carried out.