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Amendment of section 253 of Principal Act. | 
73.— Section 253 of the Principal Act is amended— | 
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(a) in subsection (1), by the substitution of “enter a premises or on land” for “enter any premises”, | 
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(b) in subsection (3)— | 
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(i) by the substitution of “enters a premises or on land” for “enters any premises”, and | 
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(ii) by the substitution of the following for paragraph (a): | 
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“(a) require from an occupier of the premises or land or any person employed on the premises or land or any other person on the premises or land such information, or”, | 
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(c) in subsection (4)— | 
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(i) in paragraph (a) by the substitution of— | 
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(I) “prevented from entering a premises or on land” for “prevented from entering any premises”, | 
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(II) “present in a premises or on land” for “present in any premises”, and | 
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(III) “by the authorised person in the premises or on the land” for “by the authorised person in the premises”, | 
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(ii) in paragraph (b) by the substitution of— | 
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(I) “prevented from entering a premises or on land” for “prevented from entering a premises”, | 
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(II) “to enter the premises or on the land concerned, if need be by force” for “to enter, if need be by force, the premises concerned”. |