The European Commission’s ruling last week that Ireland must collect nearly 13 billion euros ( billion) in unpaid taxes from Apple reveals deep fissures within the European Union on leveraging tax policy to attract investments. It also highlights the fragile and unpredictable nature of commitments on tax incentives made by governments in Europe and in Ireland in particular. As a consequence, companies such as Apple that take advantage of friendly tax regimes may have to look elsewhere for future investments, warn experts. Ireland’s parliament on Wednesday voted 93-36 to uphold the EC ruling on Apple. However, Enda Kenny, the country’s prime minister, opposed the EC ruling and maintained that Ireland “played by the rules” in its tax treatment of Apple, according to an AFP report . Apple, which has had offices in the Irish city of Cork since 1980, has nearly 6,000 employees in that country, the report adds.…