When bidding, the bidding document stipulates the issuance of relevant certification materials for tax payment and social security payment in accordance with the law in the past three months. What is

When bidding, the bidding document stipulates the issuance of relevant certification materials for tax payment and social security payment in accordance with the law in the past three months. What is this material? Please help.

When bidding, the bidding document stipulates the issuance of relevant certification materials for tax payment and social security payment in accordance with the law in the past three months. This material is a tax payment certificate and a social security certificate.

Processing of tax certificates:

If your unit is a household that declares individual income tax details and has filed detailed individual income tax returns monthly, you can apply with your valid ID to the local tax authority in charge of personal income tax payment in your unit. Issuance; if the unit is not a detailed declaration household, it must bring a valid identity document, a written application report (stamped by the unit), and the details of withholding and payment of personal income tax (stamped) provided by the unit's financial department to the competent local tax authority to apply for issuance.

Processing of social security certificate:

When making social security payment, the relevant unit will issue a social security payment certificate.