Bad check (Civ. Code 1719): drawer has 30 days from mailing of certified-mail demand to pay check, service charge, and mailing costs before treble damages

The person who had passed a check on insufficient funds shall have 30 days from the date the written demand was mailed to pay the amount of the check, the amount of the service charge payable to the payee, and the costs to mail the written demand for payment. If this person fails to pay in full the amount of the check, the service charge payable to the payee, and the costs to mail the written demand within this period, this person shall then be liable instead for the amount of the check, minus any partial payments made toward the amount of the check or the service charge within 30 days of the written demand, and damages equal to treble that amount, which shall not be less than one hundred dollars ($100) nor more than one thousand five hundred dollars ($1,500).

CCP 12: "The time in which any act provided by law is to be done is computed by excluding the first day, and including the last, unless the last day is a holiday, and then it is also excluded." CCP 12a(a): "If the last day for the performance of any act provided or required by law to be performed within a specified period of time is a holiday, then that period is hereby extended to and including the next day that is not a holiday. For purposes of this section, “holiday” means all day on Saturdays, all holidays specified in Section 135 and, to the extent provided in Section 12b, all days that by terms of Section 12b are required to be considered as holidays." Gov. Code 6707: "When the last day for filing any instrument or other document with a state agency falls upon a Saturday or holiday, such act may be performed upon the next business day with the same effect as if it had been performed upon the day appointed." FRCP 6(a): "The following rules apply in computing any time period specified in these rules, in any local rule or court order, or in any statute that does not specify a method of computing time. (1) ... (A) exclude the day of the event that triggers the period; (B) count every day, including intermediate Saturdays, Sundays, and legal holidays; and (C) include the last day of the period, but if the last day is a Saturday, Sunday, or legal holiday, the period continues to run until the end of the next day that is not a Saturday, Sunday, or legal holiday."