The NLRC also ruled that there was constructive dismissal since working under said conditions was unbearable.[23]   As we have held previously, constructive dismissal covers the involuntary resignation resorted to when continued employment becomes impossible, unreasonable or unlikely; when there is a demotion in rank or a diminution in pay; or when a clear discrimination, insensibility or disdain by an employer becomes unbearable to an employee.[24]   In this case, the appellate court found that petitioners did not deny that the accommodations were not as homely as expected. In the petitioners’ memorandum, they admitted that they were told by the principal, upon their arrival, that the dormitory was still under construction and were requested to bear with the temporary inconvenience and the dormitory would soon be finished.  We likewise note that petitioners did not refute private respondents’ assertion that they had deployed approximately sixty other workers to their principal, and to the best of their knowledge, no other worker assigned to the same principal has resigned, much less, filed a case for illegal dismissal.[25]   To our mind these cited circumstances do not reflect malice by private respondents nor do they show the principal’s intention to subject petitioners to unhealthy accommodations.  Under these facts, we cannot rule that there was constructive dismissal.   Private respondents also claim that petitioners were not entitled to overtime pay, since they had offered no proof that they actually rendered overtime work.  Petitioners, on the other hand, say that they could not show any documentary proof since their employment records were all in the custody of the principal employer.  It was sufficient, they claim, that they alleged the same with particularity.   On this matter, we rule for the petitioners.  The claim for overtime pay should not have been disallowed because of the failure of the petitioners to substantiate them.[26]  The claim of overseas workers against foreign employers could not be subjected to same rules of evidence and procedure easily obtained by complainants whose employers are locally based.[27]  While normally we would

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