2.2 The assessment
Clasification Society 2024 - Version 9.40
Statutory Documents - IMO Publications and Documents - Resolutions - Marine Environment Protection Committee - Resolution MEPC.161(56) - Guidelines for Additional Measures Regarding Ballast Water Management Including Emergency Situations (G13) - (Adopted on 13 July 2007) - Annex - Guidelines for Additional Measures Regarding Ballast Water Management Including Emergency Situations (G13) - 2 Assessment When a State Intends to Introduce Additional Measures - 2.2 The assessment

2.2 The assessment

  2.2.1 Before a Party, individually or jointly with other Parties, intends to introduce additional measures in accordance with regulation C-1 of the Convention, it should assess the need for and nature of the measures, which should include:

  • .1 identification of the concern, i.e., the potential harm from the introduction of harmful aquatic organisms and pathogens in the area to be covered by the additional measures;

  • .2 description of the cause(s) of the identified concern;

  • .3 identification of potential additional measures to be introduced; and

  • .4 identification of potential effects and consequences, beneficial and detrimental, resulting from introduction of the proposed additional measure(s).

  2.2.2 A Party should assess the character of the concern. Such an assessment may include a consideration of such things as:

  • .1 What are the probabilities or consequences of future introductions of harmful aquatic organisms and pathogens on the environment, human health, property, or resources?

  • .2 If harmful aquatic organisms or pathogens have already been introduced, what effects are they already having on the environment, human health, property or resources, and how might this be affected by future introductions?

  • .3 Whether ballast water from ships is a vector for the introduction of harmful aquatic organisms and pathogens?

Identification of the additional measures to be introduced

  2.2.3 The additional measure(s) to be introduced shall be in accordance with Article 7.2 and regulation C-1.3 of the Convention, and should be clearly identified in respect of:

  • .1 the area(s) where the additional measure(s) is/are applicable defined by precise co-ordinates;

  • .2 the operational and/or technical requirement(s) which applies to ships in the area(s), and the requirement(s) to provide documentation for compliance if needed;

  • .3 the arrangements which may be provided to facilitate ships' compliance with the additional measure(s);

  • .4 the effective date and duration of the measure(s); and

  • .5 any other requirements and services in relation to the additional measure(s).

Effects and consequences of introduction of the proposed measure(s)

  2.2.4 The economic consequences resulting from the introduction of the additional measure(s) should be taken into account. In this respect the following aspects may be relevant:

  • .1 the economic benefits and possible costs, including costs to the industry, associated with the additional measure(s); and

  • .2 any other effects and consequences.


Copyright 2022 Clasifications Register Group Limited, International Maritime Organization, International Labour Organization or Maritime and Coastguard Agency. All rights reserved. Clasifications Register Group Limited, its affiliates and subsidiaries and their respective officers, employees or agents are, individually and collectively, referred to in this clause as 'Clasifications Register'. Clasifications Register assumes no responsibility and shall not be liable to any person for any loss, damage or expense caused by reliance on the information or advice in this document or howsoever provided, unless that person has signed a contract with the relevant Clasifications Register entity for the provision of this information or advice and in that case any responsibility or liability is exclusively on the terms and conditions set out in that contract.