21. The borrower must return each volume lent within fifteen days, including days of issue and return, and shall be liable to a fine of 1d. per week or portion of a week for each volume lent, if not returned within that period, but the issue of a book may be renewed for a further period of fifteen days, dating from the day of intimation, on notice being given to the librarian either personally or in writing, and no further renewal will be allowed if the book is required by another reader. Books which are much in demand may, however, be refused such renewal at the discretion of the librarian. 22. Each volume on return shall be delivered to the librarian or his assistant, and if on examination it be found to have sustained any damage or injury, the person to whom it was lent, or his or her guarantor, shall be required to pay the amount of damage done or to procure a new copy or series of equal value, and, in the latter case, the person supplying the new copy shall be entitled to the damaged copy or series on depositing the new one. 23. Borrowers who are unable to obtain a particular non-fictional book, and desire that it shall be retained for them on its return, must give its title, number, etc., to the assistant, and pay 1d. to cover cost of posting an intimation that it is available for issue; but no book will be kept longer than the time mentioned in the notice sent. Novels cannot be reserved under this rule. 24. Borrowers are required to keep the books clean. They are not to turn down or stain the leaves, nor to make pencil or other marks upon them. They must take the earliest opportunity of reporting any damage or injury done to the books they receive, otherwise they will be held responsible for the value of the same. 25. If an infectious disease breaks out in any house containing books belonging to the library, such books are not to be returned to the library, but must be handed over to the Medical Officer of Health or any sanitary officer acting on his behalf. Until such infected house is declared free of disease by the Medical Officer of Health, no books will be issued from the libraries to any person or persons residing therein. In similar circumstances non-resident ratepayers or employees must return their books to the Medical Officer, and cease to use the libraries till their residences are certified free from infection. 26. Only actual borrowers who are enrolled on the register of the library shall have the right of direct access to the book-shelves, but their representatives may be admitted at the discretion of the librarian or his assistants. To prevent disappointment, these representatives should come provided with a list of several book-titles and numbers. 27. Any change in the residence of borrowers or their guarantors, or notice of withdrawal of guarantee, must be intimated to the librarian within one week.