(1)  In these regulations, unless the contrary intention appears –

Act means the Petroleum (Submerged Lands) Act 1982 ;

composition of petroleum means a mixture of petroleum with one or more other substances;

independent validator , for a validation, means a person who, to the reasonable satisfaction of the Minister, has the necessary competence and ability, and access to data, in respect of the matters being validated, to arrive at an independent opinion on the matters;

pipeline management plan in force for a pipeline means a pipeline management plan for a pipeline –

(a) submitted by or for the pipeline licensee; and

(b) accepted under these regulations (or, if the pipeline management plan is accepted in part, that part of the pipeline management plan that is accepted); and

(c) as revised from time to time under these regulations; and

(d) for which the acceptance has not been withdrawn;

pipeline management system description , for a pipeline, means a description of the matters mentioned in regulation 25 in respect of the pipeline;

reportable incident means an incident –

(a) that –

(i) results in significant damage to a pipeline (for example, reducing the capacity of the pipeline to contain petroleum flowing through it); or

(ii) results in the death of a person; or

(iii) results in serious injury to a person; or

(iv) is likely to have a result of a kind mentioned in subparagraph (i) , (ii) or (iii) ; or

(v) is of a kind that a reasonable pipeline licensee would consider to require immediate investigation; and

(b) that is not a significant accident or significant incident that is to be reported for a facility under regulation 31 of the Petroleum (Submerged Lands) (Management of Safety on Offshore Facilities) Regulations 2002 ; and

(c) that is not a reportable incident within the meaning of the Petroleum (Submerged Lands) (Management of Environment) Regulations 2002 ;

significant pipeline accident event means an event that –

(a) is connected (whether immediately or after delay) with work carried out on, or in respect of, a pipeline; and

(b) causes, or creates a significant risk of causing, human death (for example, owing to hydrocarbon releases); and

(c) is not a major accident event for which a formal safety assessment is to be demonstrated in a safety case for a facility under regulation 14 of the Petroleum (Submerged Lands) (Management of Safety on Offshore Facilities) Regulations 2002 ;

validation has the meaning given by regulation 5 , and "validate" has a corresponding meaning.

(2)  For the purposes of these regulations, a pipeline is taken to be decommissioned if –

(a) the pipeline ceases operation, otherwise than –

(i) temporarily for maintenance; or

(ii) for a period agreed between the Minister and the pipeline licensee for the pipeline; or

(b) the pipeline is removed.