(1) When any assessment or additional assessment has been made, the taxpayer may obtain a stay of collection, under such circumstances and for such periods as the department of revenue may by general regulation provide, of the whole or any part thereof, by filing with the department a bond in an amount, not exceeding twice the amount on which stay is desired, and with sureties as the department deems necessary, conditioned for the payment of the amount of the assessments, collection of which is stayed by the bond, together with the interest thereon at the rate of one percent of the amount of such assessment for each thirty days or portion thereof from the date the bond is filed until the date of payment.
(2) Interest imposed under this section after January 1, 1997, shall be computed on a daily basis on the amount of tax at the rate as computed under RCW
82.32.050(2). The rate so computed shall be adjusted on the first day of January of each year. Interest for bonds filed before January 1, 1997, but outstanding after January 1, 1997, shall not be recalculated but shall remain at one percent per each thirty days or portion thereof.