Artikel D-4

1. For any ship that, prior to the date that the standard in regulation D-2 would otherwise become effective for it, participates in a programme approved by the Administration to test and evaluate promising Ballast Water treatment technologies, the standard in regulation D-2 shall not apply to that ship until five years from the date on which the ship would otherwise be required to comply with such standard.
2. For any ship that, after the date on which the standard in regulation D-2 has become effective for it, participates in a programme approved by the Administration, taking into account Guidelines developed by the Organization, to test and evaluate promising Ballast Water technologies with the potential to result in treatment technologies achieving a standard higher than that in regulation D-2, the standard in regulation D-2 shall cease to apply to that ship for five years from the date of installation of such technology.
3. In establishing and carrying out any programme to test and evaluate promising Ballast Water technologies, Parties shall: .1 take into account Guidelines developed by the Organization, and
.2 allow participation only by the minimum number of ships necessary to effectively test such technologies.
.1 take into account Guidelines developed by the Organization, and
.2 allow participation only by the minimum number of ships necessary to effectively test such technologies.
4. Throughout the test and evaluation period, the treatment system must be operated consistently and as designed.