For the purpose of this section and section 48.50, all deposits are payable on demand except:

1. (1) Those deposits which are evidenced by a negotiable or nonnegotiable instrument which provides on its face that the amount of the deposit is payable:

   1. (a) on a certain date, specified in the instrument, not less than 14 days after the date of the deposit; or (b) at the expiration of a specified period not less than 14 days after the date of the instrument; or (c) upon written notice to be given not less than 14 days before the date of repayment.
2. (2) Those deposits which may not be withdrawn within 14 days of the making thereof.
3. (3) Those deposits which may not be withdrawn within 14 days of the giving of notice of an intended withdrawal.
4. (4) Those deposits in which the above 14-day minimums are in conflict with federal law or regulations.