1. Every lifting appliance and every item of loose
gear shall be tested in accordance with national laws or regulations
by a competent person before being put into use for the first time
and after any substantial alteration or repair to any part liable
to affect its safety.
2. Lifting appliances forming part of a ship's
equipment shall be retested at least once in every five years.
3. Shore-based lifting appliances shall be retested
at such times as prescribed by the competent authority.
4. Upon the completion of every test of a lifting
appliance or item of loose gear carried out in accordance with this
Article, the appliance or gear shall be thoroughly examined and certified
by the person carrying out the test.