Section 56. Annually in November the officers in charge of all offices, departments and institutions named in section fifty-three shall send to the commissioner an estimate of the quantities of the articles and materials needed for their respective offices, departments or institutions during the ensuing year. Said estimates shall generally observe the styles, designs and qualities named in the descriptive list; and if any special style is desired in considerable quantity, the estimate shall contain a request that the commissioner shall arrange for the manufacture of such special articles as may be needed.