This tender invites qualified service providers to deliver MPLS site connectivity between Pakistan Single Window (PSW) and 1LINK, including primary and disaster recovery links. Located in Islamabad, the project demands robust network infrastructure connecting meet-me rooms at PTCL Data Centres in Lahore and Karachi. The scope requires seamless integration and high availability to support critical data exchange under the PSW Act, 2021. Bidders must be registered on the e-Pak Acquisition & Disposal System (EPADS) and comply with the Single Stage One Envelope procurement procedure. The technical requirements emphasize secure, reliable MPLS connectivity with failover capabilities to ensure uninterrupted operations. The connectivity will facilitate efficient trade facilitation and data interoperability between PSW and 1LINK. Participants should ensure their PEC registration and FBR Active Taxpayer List (ATL) status are current for the fiscal year 2025-26. This compliance is essential to avoid disqualification. The tender also requires submission of a bid securing declaration via email before the deadline, a critical step often overlooked. The submission deadline is set for 10th March 2026 at 11:00 AM, with bid opening at 11:30 AM on the same day. Bids must be submitted electronically through EPADS. The physical address for bid opening is the Procurement Department, Pakistan Single Window, Ground Floor, NESPAK Building, Near State Bank, G-5/2, Islamabad. Pro-Tip: Carefully review the bid securing declaration requirements and submit it via email before the deadline to avoid automatic rejection. Also, monitor public holidays as deadlines shift to the next working day.