Offences Relating to Posts and Telecommunications 161. Stopping mails. 162. Intercepting telegrams or postal matter. 163. Tampering with telegrams or postal matter. 164. Wilful misdelivery of telegrams or postal matter. 165. Obtaining telegrams or postal matter by false pretences. 166. Secreting letters and telegrams. 167. Fraudulent issue of money orders and postal orders. 168. Fraudulent messages respecting money orders. 169. Unlawful franking of letters. 170. Sending dangerous or obscene things by post. 171. Retarding delivery of telegrams or postal matter. 172. Obstructing mails. 173. Penalty on loitering, carelessness in delivery of mails, etc. 174. Fraudulently removing stamps. 175. Fraudulent evasion of postal laws. 176. Carrying letters otherwise than by post. 177. Illegally making postal envelopes or setting up post office or office for sale of stamps, or imitating post office. 178. Destroying or damaging letter box. 179. Placing injurious substances in or against letter box. 180. Defacing post office or letter box. 181. Obstructing post and telegraph offices. 182. Obstructing post and telegraph officers in the execution of duty. 183. Contravening exclusive privilege of the Nigerian Postal Services Department. 184 & 185. Deleted by 1975 No. 30. 186. Negligently injuring telegraphs. 187. Violation of secrecy. 188. Resisting officers. 189. Laying property in postal matter and telegraph works.