West Bengal Sales Tax at Source Online Compliance Simplified !

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    Sales tax at source from works contract amount is implemented by West Bengal sales tax department . As per West Bengal commercial tax rule ,  persons who is responsible for paying  any sum to any dealer for execution of a works contract within West Bengal on behalf of any of the following entities are responsible for deducting and deposit sales tax from the works contract amount :

    • Central Government Department
    • State Government Department
    • Central & State Govt. Undertaking
    • Gram Panchayat
    • Panchayat Samity
    • Zilla Parishad
    • Municipality
    • Corporation
    • Co-Operative Society
    • Company
    • Partnership Firm
    • Joint-Venture Company
    • Promoter
    • Bank
    • Educational Institution
    • Hospital
    • Nursing Home
    • Diagnostic Centre
    • Limited Liability Partnership

    What is the tax rate for sales tax at source on  works contract?

    The rate of deduction of sales tax at source is :-

    • 2% if the Works Contractor is a registered dealer in West Bengal and
    • 4% if he is NOT registered.

    7 Steps to get WB sales tax at source work online

    Step 1 :                                 Within 30 days  date of commencement of intra-state works contract, payer should   apply online at www.wbcomtax.gov.in  for Enrollment Certificate and get Dematerialized Enrollment Certificate  .

     Step 2:                  Generate User ID & Password for e-Service  Any time after online  enrollment.

    Step 3:                  Deduct Sales Tax at Source against every payment made against works contract

    Step 4:                  Deposit deducted STDS at designated Bank/ Govt. Treasury within 10 days from end of that month

    Step 5:                  Submit online ,monthly scroll of deposits (Form 19A) along with details of all deductions during the month and details of STDS payment within 20 days from end of that month

    Step 6:                  Generate STDS Deduction Certificates (Form 18A) for the submitted scroll and issue to respective Contractors and get print-outs of Form 19A, Form 18A .issue Within 25 days from end of that month (for generation)

    Step 7:                  Deposit Hard Copies of STDS Payment document (Challan/ Accounts Statement), Scroll & Deduction Certificates at the STDS cell Within 45 days from end of that month

    Steps 1 ,2 ,,5 & 6 can be done by visiting www.wbcomtax.gov.in and selecting the links given  as under

    Generate STDS ENROLMENT No. :for application and generation of Enrollment Certificate;    [Step 1 ]

    Click here to Generate User Id & Password :for User ID & Password for login to eservice on STDS;   [ Step 2 ]

    Click here to submit Form 19 or Generate Form 18 :for submission of Form 19A, generation of Form 18A and for getting printouts. [Step 5 & 6]

    For Step 7 , visit the OFFICE OF THE COMMISSIONER, COMMERCIAL TAXES, WEST BENGAL, STDS Cell, Directorate of Commercial Taxes, 14, Beliaghata Road, Kolkata-700015  ,2nd. Building, 1st. Floor, Room No. 102,
    Phone No. 033-2251-6784/5786/0705 to 0710 – Extn. 302/316;


    1. Sir Bill is under STDS . Bill date 5/11/13 we have not made payment and not deduct STDS now we will make the payment and deduct the STDS. Can we use this bill as it is dated nov 13 and now is Jan 14. Can we issue the certificate to the party plz advice.