The county treasurer shall thereupon cause to be published once a week for two weeks in a newspaper of general circulation published in each county in which any of the district is situated a notice substantially in the following form:

(Name of reclamation district).

Notice is hereby given that an installment of assessment (describing it) of _____ dollars ($____), being ___ percent is payable within 30 days from (date) by all assessed landowners of said district in the County of (name of county) to the treasurer of said county. All or any part of said installment which shall remain unpaid

on the day (day fixed) will be delinquent, together with 10 percent of such installment added as penalty.