how long hdb approval after submission both seller and buyer?

What is the typical approval time for HDB after both seller and buyer have submitted their documents

<h6 role="page-header">UNIT 4.4: SALE OF HDB FLATS</h6><h3 role="title">Online Submission of Resale Application and Request for Value</h3><h4 role="section-header">AFTER RESALE APPLICATION SUBMISSION</h4><p>After submission, the applicant needs to inform their buyers to submit third portion within 7 days. Otherwise the application will become void without refund.</p><p>Upon receipt of a complete resale application from the flat sellers and buyers, HDB will verify the eligibility of flat sellers and buyers, and review the supporting documents submitted. If the application is in order, HDB will notify the flat sellers and buyers of its acceptance of the application via SMS and emails within 7 working days, and post the application progress update in the HDB resale Portal. The date of HDB's acceptance of the resale application makes the beginning of the 8- week processing time.</p><p>HDB will grant an approval for the resale, typically within 2 weeks after the sellers and buyers have endorsed on the documents prepared by the HDB. Buyers and sellers are advised to respond promptly to prevent any delay or cancellation of the resale application.</p><p>Once the resale application is approved, flat sellers and buyers will be notified via SMS and emails. The approval letter will also be posted on the HDB Resale Portal for buyers and sellers viewing.</p><p>During these 8 weeks, buyers and sellers are required to endorse documents which HDB have prepared for them, through the HDB Resale Portal and pay the necessary fees online.</p><p>An in-principle approval for resale will be granted once the documents are endorsed. Following which, an appointment will be arranged for buyers and sellers to attend to complete the resale transaction.</p>

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What is the typical approval time for HDB after both seller and buyer have submitted their documents