The invitation cards are for business reception at the end of this month and they need to be sent to the operators and hotel managers. -His period in office was marked by a steep rise in Iran's oil revenues and the beginning of a social-political crisis brought on by wide-scale misuse of the $22 billion a year earnings from oil. –The invitation cards are for a business reception at the end of this month and they need to be sent to the operators and hotel managers. –His period in office was marked by a steep rise in Iran’s oil revenues and the beginning of a social-political crisis brought on by wide-scale misuse of the $22 billion a year earnings from oil