Notwithstanding any other provisions of this code to the contrary, if students are required to attend school in a county other than the county of their residence as a result of an intercounty transfer arrangement, then the following terms, rules and procedures shall apply:
(a) For the purposes of this section, the following terms have the following meanings:
(1) "Intercounty transfer arrangement" means those cases in which students are required to attend school in a county other than the county of their residence;