“ Article 7 Funds for redemption and interest payments of the Bond shall be put on allocation on an annual basis in the national general budget, and shall be appropriated to the managing bank in advance to be held on deposit in preparation for payment. Article 8 The offering and sale and the principal and interest payments of the Bond shall be managed by the Central Bank. Article 9 The Bond may be freely traded, pledged, or used as guarantee in official dealings, and may serve as guarantee reserve of financial enterprises. Article 10 Interest on the Bond is exempt from income tax. ”

“ It also excludes from copyright oral and literary news reports strictly intended to communicate facts, test questions from all kinds examinations held pursuant to laws or regulations, slogans and common symbols, terms, formulas, numerical charts, forms, notebooks, or almanacs. ”