To register an import/export license in Pakistan, you can follow these steps:

1. Business Registration
2.  Ensure that your business is registered with the relevant authorities, such as the Securities and Exchange Commission of Pakistan (SECP) for companies or the relevant provincial registrar for partnerships or sole proprietorships.
3. Tax Registration:
4. Obtain a National Tax Number (NTN) and register with the Federal Board of Revenue (FBR) for tax purposes. You may need to register for sales tax or income tax, depending on the nature of your business activities.
5. Open a Bank Account:
6. Open a business bank account in the name of your company. This account will be used for import/export transactions.
7. Obtain Import/Export Certificate:
8. Apply for an Import/Export Certificate from the Trade Development Authority of Pakistan (TDAP). Submit the required documents, including your business registration documents, bank account details, and other relevant information.
9. Complete Training:
10. Attend the mandatory training programs organized by the TDAP or relevant government agencies on import/export procedures, regulations, and documentation. This training is usually required for obtaining the license.
11. Submit Application:
12. Complete the application form provided by the TDAP, along with any supporting documents and the prescribed fee. The application form and requirements can be obtained from the TDAP office or their website.
13. Customs Clearing Agent:
14. Hire a customs clearing agent or customs broker who is registered with the Pakistan Customs to assist with import/export procedures, documentation, and clearance through customs.
15. Compliance with Regulations:
16. Ensure compliance with all relevant import/export regulations, such as customs laws, international trade restrictions, and any specific requirements related to the type of goods you intend to import or export.
17. Post-clearance Compliance:
18. After obtaining the import/export license, ensure compliance with post-clearance requirements, such as submission of import/export declarations, payment of duties and taxes, and adherence to any other regulatory obligations.

It is advisable to consult with a customs consultant or trade expert who can guide you through the specific procedures and requirements for your business and provide assistance in obtaining the import/export license in Pakistan.