(h)"multilateral agreement" means an agreement between the Board and the applicant, subsequent to, and based on, any agreement referred to in rule 44GA between the competent authority in India with the competent authorities in the other countries regarding the most appropriate transfer pricing method or the arms' length price;(ha)"rollback year" means any previous year, falling within the period not exceeding four previous years, preceding the first of the previous years referred to in sub-section (4) of section 92CC;