Its circulars prescribe threshold limits, due sanction from senior officers, procedures to be followed, monitoring disciplines and procedure for withdrawal of complaints The Central Board of Excise and Customs ( CBEC) has revised the monetary limits for arrest and its guidelines for prosecution in matters relating to offences punishable under Customs, Central Excise and Service Tax laws. Its circulars ( dated October 23) prescribe threshold limits, due sanction from senior officers, procedures to be followed, monitoring disciplines and procedure for withdrawal of complaints. In Customs matters, the CBEC says arrest in respect of an offence should be effected only in exceptional situations. These include unauthorised importation under baggage rules where the value of the goods involved is Rs.20 lakh or more; smuggling of highvalue goods such as precious metals, restricted items or prohibited items; wilful mis- declaration in description of goods, concealment of goods, where the va...