1. In any case of funds heretofore raised or in the process of being raised, by tax levy or other provision of law heretofore existing, for any of the purposes provided by this chapter, the board of supervisors or the city council, as the case may be, shall cause such funds to be used and applied to all intents and purposes for the acquisition of necessary ground and the purchase, erection, construction or reconstruction and equipment of such monument or memorial building in the same manner and to the same extent as if such funds had been raised for said purpose by a bond issue, as provided in this chapter, and all the provisions of this chapter shall apply to said funds.
 2. All other provisions of this chapter shall apply to any monument or memorial heretofore constructed or hereafter constructed from funds raised under any provision of law heretofore existing.
 3. In all cases covered by this section, the taking effect of this chapter shall fix the time for the selection and appointment of the commissioners to all intents and purposes the same as an election on the proposition to erect a memorial building or monument, as provided in this chapter.