 They were also granted a maximum level of devolved competencies.The "slow route" or "slow track", also called the "norm", was established in article 143.This route could be taken—via the first transitory disposition—by the "pre-autonomic regimes" that had been constituted in 1978, while the constitution was still being drafted, if approved by two-thirds of all municipalities involved whose population would sum up to at least the majority of the electoral census of each province or insular territory.