| It sets up a system of permissible interceptions with warrants or authorisations. |
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| The only independent control of the powers comes from the Home Secretary's supervision of authorisations. |
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| Customers will sign authorisations and receipts on a touch-sensitive pad. |
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| Despite having all the appropriate authorisations in their possession, they were unable to produce the program for which they had travelled to the country. |
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| The board also established a system of import certificates and export authorisations for the legal international trade in narcotics. |
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