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<FRBRuri value="http://www.legislation.gov.uk/id/uksi/1961/1581"/>
<FRBRdate date="1961-01-01" name="estimated"/>
<FRBRauthor href="http://www.legislation.gov.uk/id/government/uk"/>
<FRBRcountry value="GB-UKM"/>
<FRBRnumber value="1581"/>
<FRBRname value="S.I. 1961/1581"/>
<FRBRprescriptive value="true"/>