The clerk shall give notice of the second hearing by publication in a newspaper of general circulation in the county in which the district is located once a week for three successive weeks, and by posting in three public places in the county in which the district is located at least twenty-one days before the hearing, and shall give such other notice to creditors and other interested parties as the court may deem necessary or advisable. At least one notice shall be posted in the district. The notices shall set forth the filing of the petition, its purpose, the finding of the court on the petition, the date and place of the second hearing and the purpose of the hearing as stated in RCW 53.48.060.