Legal analysis: First, go to the lobby of the tax bureau or the tax controller to get the paper agreement of the tripartite agreement in duplicate. The tax bureau has already filled in the contents and stamped them in advance, so you don't have to go there after receiving them.

Secondly, log in to State Taxation Administration of The People's Republic of China Online Electronic Taxation Bureau and select "Tripartite Agreement on Online Signing" in the left navigation bar.

How do enterprises handle tripartite tax payment agreements online?

Then, authenticate. There is no need to submit the taxpayer deposit account report form as required during verification. Generally, it will come with it in the system and only needs to be modified. The optional section can be left blank.

After verification, click Next to verify the identity information, enter the name and phone number of the manager, and get the verification code to fill in.

Then, get the contracted account information, and the options in the lower right corner can be obtained directly without entering them yourself. When finished, click Next to get a set of agreement numbers, which will be filled in the position specified in the paper tripartite agreement.

Finally, take the paper tripartite agreement to the bank where the account is opened, handle the new tripartite agreement business in the official window, then log in to the tax bureau again, enter the tripartite agreement, click Query, select the account number for verification, and the tax can be deducted normally.

Some banks don't have to go to the counter, so it is more convenient to verify directly on the online signing page. Whether it can be implemented or not can be verified by yourself in the operation, and there will be hints.

Legal basis: Article 490 of the Civil Code of People's Republic of China (PRC). If the parties enter into a contract in the form of a contract, the contract shall be established when the parties sign, seal or press their fingerprints. Before signing, sealing or fingerprinting, one party has fulfilled its main obligations, and the contract is established when the other party accepts it.

A contract shall be concluded in written form as stipulated by laws, administrative regulations or agreed by the parties. If the parties do not do this in writing, but one party has fulfilled its main obligations and the other party accepts it, the contract is established.