The tax imposed in section two of this article shall be collected in the following manner:
(1) The tax upon the use of all tangible personal property, custom software or services, sold by a retailer engaging in business in this state, or by any other retailer as the tax commissioner authorizes pursuant to section seven of this article, or article fifteen-b of this chapter, shall be collected by the retailer and remitted to the state tax commissioner, pursuant to the provisions of sections six through ten, inclusive, of this article, or by the seller registered under article fifteen-b of this chapter, in accordance with the provisions of this article and article fifteen-b of this chapter.
(2) The tax upon the use of all tangible personal property, custom software and taxable services not paid pursuant to subdivision (1) of this section, shall be paid to the tax commissioner directly by any person using the property or service within this state, pursuant to the provisions of section eleven of this article.