How many Softcopy files can be downloaded each time you save? When can I electronically download the letter of authorization after the application for registration? Once your registration is authorized, you will receive an email. You can then use the “Download Letter of Authorization” service to download the Letter of Authorization. What are the main changes to the REGISTRATION OF THEBLA with effect from April 23, 2012? (a) electronic stamped account; or (b) Tax Identification Number (TIN) and eTAX password; or (c) digital certificate issued by the Hong Kong Post or digi-Sign Certification Services Ltd. You can register SBLA in the new mode with the issuance of an e-Approval letter after approval. (a) registration of the SBLA; (b) the filing of the notification by the lender in shares; (c) the simultaneous presentation of points (a) and (b); (d) Download the letter of authorization.