SECTION 1. Section seven of Act Numbered Twenty-five hundred and eight is hereby amended to read as follows:
"SEC. 7. Personal security shall consist in a bond signed by two or more persons of recognized solvency in the municipality concerned: Provided, That the responsibility of the bondsmen shall extend from the date the loan falls due until the entire amount of the loan is fully liquidated, and that the board of directors can attach the property of any of the bondsmen for the repaying of the entire loan without the necessity of exhausting the property of the principal obligee."