Fund accounts are divided into fund trading accounts and fund TA accounts. Generally speaking, the fund account (fund account number) refers to the fund TA account. Fund trading account is an account set up by the bank for investors to conduct fund trading in the bank. The fund TA account is the fund account number of a fund management company held by investors. If investors buy the fund of the same company in different banks, there will be multiple trading accounts, but there will always be only one TA account. So we can say that the trading account is related to the bank, and the TA account is related to the fund company.
First, the TA account means that there will always be only one fund account.
Second, different debit cards of the same bank can buy funds, but credit cards cannot buy funds.