(2) Notwithstanding ORS 223.230, the financing of connection charges under this section may, at the option of the governing body of the district, be a second lien on real property, which lien shall be inferior only to the mortgage or other security interest held by the lender of the owner’s purchase money. Bonds issued under this section shall be issued separately from bonds otherwise issued under ORS 223.205 and 223.210 to 223.295. [1985 c.417 §3; 1995 c.333 §25]