Legal analysis: First, you can log in to the Supervision Sikuyi platform, enter the construction procedures item on the right, the construction procedures column on the left, and in the second construction project item, you can view the supervision of your unit All projects;, but the premise is that the construction unit of the project must have registered the contract and logged in to the Sikuyi platform. The "four databases" refer to the enterprise data information database, registered personnel database, engineering project information database, and integrity information database, and the "one platform" refers to the integrated work platform. "Four databases and one platform" are also the national construction market supervision public service platform of the Ministry of Housing and Urban-Rural Development. "Four databases" refer to the basic information database of enterprise database, basic information database of registered personnel database, basic information database of engineering project database, The basic information database of the integrity information database, "one platform" is an integrated working platform. The four databases are interconnected. You can check the personnel with their ID cards, you can check the personnel with the unit name, and you can check the unit with the personnel. Its function is to solve problems such as multiple data collection, repeated entry, authenticity verification, missing project data, difficulty in collecting integrity information, separation of market supervision and administrative approval, and inability to link the "market and the field" to ensure the comprehensiveness and authenticity of the data. , relevance and dynamics, and fully realize the information supervision goal of "one data database, one supervision network, and one management line" in the national construction market.

Legal basis: "Tax Collection and Administration Law of the People's Republic of China"

Article 29 Except for tax authorities, tax personnel and tax authorities in accordance with laws and administrative regulations No unit or individual other than the entrusted units and personnel may conduct tax collection activities.

Article 30 The withholding agent shall perform the obligation to withhold and collect taxes in accordance with the provisions of laws and administrative regulations. For entities and individuals that are not required by laws or administrative regulations to withhold or collect taxes, the tax authorities shall not require them to perform their tax withholding or collection obligations. When a withholding agent performs the obligation to withhold and collect taxes in accordance with the law, the taxpayer shall not refuse. If the taxpayer refuses, the withholding agent shall promptly report to the tax authorities for processing. The tax authorities shall pay withholding and collection fees to the withholding agent in accordance with regulations.

Article 31 Taxpayers and withholding agents shall pay or remit taxes in accordance with the provisions of laws and administrative regulations or the time limit determined by the tax authorities in accordance with the provisions of laws and administrative regulations. If taxpayers are unable to pay taxes on time due to special difficulties, they may, with the approval of the State Taxation Bureau or Local Taxation Bureau of the province, autonomous region, or municipality directly under the Central Government, defer the payment of taxes, but the maximum period shall not exceed three months.