OAA

Osaka Action Agenda (APEC)

OAS

Organization of American States

OAU

Organization of African Unity

ODA

Official development assistance

OECD

Organization for Economic Cooperation and Development

OECS

Organization of Eastern Caribbean States

OEEC

Organization for European Economic Cooperation

OFDI

Outward foreign direct investment

OIE

Office International des Epizooties

OIV

Office International de la vigne et du vin

OMA

Orderly Marketing Arrangement

OPEC

Organization of Petroleum Exporting Countries

OPTAD

Organization of Pacific Trade and Development

OTC

Organization for Trade Cooperation

OTCA

Omnibus Trade and Competitiveness Act