[Rev. 2012] National Police Service CAP. 84 (6) The sanctions under subsection (1)(c), (d), (e), (f) and (g) only take effect after approval and confirmation by the Commission. 90. Power to summon witnesses (1) A police officer empowered to inquire into offences against discipline may summon and examine police officers as witnesses on oath or affirmation and require the production of relevant documents in any matter connected to the inquiry, and may adjourn any such inquiry from time to time as he may consider fit. (2) Any police officer summoned as a witness under subsection (1) who fails to attend at the time and place specified in the summons, or, having attended, refuses to answer any questions that are lawfully put to him (other than questions which may incriminate him) or fails without reasonable cause to produce any document, commits an offence against discipline. 91. Recovery of fines by deduction from salary (1) A fine imposed for an offence against discipline shall be recoverable by one or more deductions from the monthly salary payable to the officer on whom the fine is imposed. (2) Notwithstanding subsection (1), no deduction, nor the aggregate of deductions, if more than one fine is outstanding at the same time, shall exceed one-fourth of the gross salary payable in any month. 92. Loss or damage to property to be made good by recovery from pay (1) Notwithstanding anything contained in any other law, if any officer pawns, sells, losses by neglect, makes away with or willfully or negligently damages any article entrusted to or lawfully in the possession of the Service and supplied to him, or any property seized or taken charge of by him in the course of his duty, he may, in addition to any other penalty, be ordered to make good, either wholly or partially, the value of such property or the amount of such loss or damage, as the case may be, and such value or such amount may be recovered by deductions from his pay, including allowances, other than rent allowance and trade pay. (2) Notwithstanding subsection (1), any officer who pawns, sells, loses by neglect, makes away with or willfully or negligently damages any firearms, ammunition, accouterment or uniform commits an offence and is, on conviction, liable to imprisonment for term not exceeding five years, or a fine not exceeding five hundred thousand, or to both. 93. Prohibition against officer being member of a trade union (1) A police officer shall not become a member of— (a) any trade union, or any body or association affiliated to a trade union; or (b) any body or non-police association the object or one of the objects of which is to control or influence the pay, pensions or terms and conditions of service in the Service, other than an association established and regulated pursuant to Part VIII of this Act. N18 - 45 [Issue 1]