A justice of the peace may, on the application of a police officer and if he is satisfied that there are reasonable grounds to suspect that the property to which that application relates is connected property, grant to the police officer ¾

(a) a holding order authorizing the continued detention of property seized and detained under section 16 for a period of 21 days from the date of that holding order or, if an application in respect of that property is made to the District Court under section 19 within that period, until that application is finally disposed of; or

(b) in the case of property which cannot, or cannot readily, be seized and detained, an embargo notice in the prescribed form.