629.4  Lienholder’s advancements — enforcement.
  When an advancement described in section 629.1 has been made by the holder of a junior or senior lien, the amount of that expenditure plus the interest on it shall be added to the amount of the lienholder’s original lien and have the same priority as the original lien and the lienholder may recover the increased amount in any action brought for the foreclosure of the junior or senior lien referred to in the verified statement.
84 Acts, ch 1248, §2