should that become necessary(The US Embassy in the country is ready to complete the drawdown should that become necessary. – Посольство США готово к полной эвакуации персонала посольства из страны, если в этом возникнет необходимость.cnn.comAlex_Odeychuk)
if it becomes necessary to(If it becomes necessary to disconnent service, reactivation of service will require payment in full, plus a security deposit and a reactivation charge. ART Vancouver)