This tender invites bids from eligible and active taxpayers registered with relevant tax authorities in Karachi for hiring technical backup services focused on on-site chemical testing. The Pakistan Security Printing Corporation (Pvt.) Ltd. requires these services on an annual basis to ensure quality control and compliance with internal standards at their facility. The scope includes providing expert technical support and chemical testing services as per the detailed BOQ and specifications available on the EPADS portal. The work involves deploying skilled technical personnel equipped with necessary instruments to conduct chemical tests on-site at the Karachi location. This ensures timely and accurate analysis critical for the corporation's operations. Bidders should be prepared to meet the technical requirements and maintain high standards of service delivery throughout the contract period. Bidders must hold a valid PEC category relevant to the services offered and be compliant with FBR/ATL requirements for the fiscal year 2025-26. It is advisable to verify all tax and registration credentials before submission to avoid disqualification. Earnest Money in the form of a pay order, demand draft, or an unconditional bank guarantee with a PACRA rating of AAA or AA++ is mandatory and must be submitted both electronically and physically before the deadline. The submission deadline is set for 6th February 2026, with bid opening scheduled shortly after at 11:30 AM via the EPADS electronic portal. All bids must be submitted electronically; manual submissions will not be accepted. The original bid security must reach the Purchase Department at Pakistan Security Printing Corporation, Jinnah Avenue, Malir Halt, Karachi, before the deadline. Pro-Tip: Ensure the original bid security document is delivered on time as failure to do so will result in immediate rejection. Also, carefully review the tender document for signature and stamp requirements on each page to avoid disqualification due to non-compliance.