Section 6. Commonwealth to Guarantee no Competition for Three Years.--The Commonwealth shall guarantee the developer that for a period of three years after the beginning of operation of the facilities that no similar or competing business or businesses will be established at Otocsin Interchange No.18 of US I-80 on Commonwealth-owned land without the developer having a right of first refusal to develop such business or businesses. The Commonwealth may lease other Commonwealth-owned land at this interchange to other developers within the three-year period, provided that such developers conform to section 5 and other provisions of this act which relate to employment and accommodation of workers as herein defined.