Regarding the procedure for a UK citizen to obtain a “Clean Criminal Record Documentation”, a correspondent in Taichung has provided the following information:
Q: What are the procedures to obtain a certificate of no criminal record?
A: At present, the UK authorities do not provide police clearance certificates. Applicants can however apply for a subject access reply under the Subject Access Provisions of the Data Protection Act 1998. According to the Metropolitan Police, this is accepted by most foreign missions in the absence of any other facility. Applications should be made to the local police station that covered your last address in the UK. Applications can be made in person or by post and should include an original copy of an approved photo ID (for example a passport or the new driving license) and a cheque or postal order for