Minimum balance to open - The minimum balance required to open this account is $2,500.00.
Minimum balance to avoid maintenance fee - If your balance falls below $2,500.00 on any day in the month, your account will be subject to a $10.00* maintenance fee for that month.
Interest - This account earns interest. At our discretion, we may change the interest rate for this account. The interest rate and annual percentage yield may change at any time. Interest will be compounded monthly. Interest will be credited into this account monthly. Interest is calculated by the daily balance method which applies a daily periodic rate to the balance in the account each day. Interest will begin to accrue on the business day you deposit items) into your account. This account earns interest based on a tiered method. The amount you earn depends on the amount you have in the account. The tiers are as follows: Tier 1 – If your daily balance is $250,000 and over, Tier 2 – If your daily balance is $100,000.00 to $249,999.99, Tier 3 - If your daily balance is $25,000.00 to $99,999.99, Tier 4 – If your daily balance is $2,500.00 to $24,999.99, and Tier 5 – If your daily balance is $0.00 to $2,499.99
Deposit limitations - You may make an unlimited number of deposits into your account. 
Insufficient funds transfer - Insufficient funds transfer is available from another one of your Central State Bank checking or savings account. You must sign up for this feature and there is a $5.00 per transfer charge.
Limitations on frequency of transfers – The depositor is permitted or authorized to make no more than six transfers and withdrawals, or a combination of such transfers and withdrawals, per calendar month or statement cycle of at least four weeks, to another account of the depositor at the same institution or to a third party by means of a preauthorized or automatic transfer, or electronic (telephone, internet, or insufficient funds transfer) agreement, order or instruction, or by check, draft, debit card (if applicable) or similar order made by the depositor and payable to third parties. If you exceed the transfer limitations set forth above in any statement period, your account may be subject to closure by the financial institution.
Internet Banking - Internet banking is available as a free service.
eStatements - Free eStatements through CSB internet banking with opt-in and agreement to terms online.

*Fees subject to Iowa Sales Tax