"At this stage they do not have visas issued for New Zealand so they have to take a gamble that all will be ok, which is crazy," said David Hogan MD of NTB.
Hogan said he has been promoting New Zealand for 40 years and has never had such a problem.
In a statement to the Herald a spokesperson for INZ said the situation had arisen from the fact that "Moroccan passport holders aren't permitted to send or courier their passports across borders, nor can their passports be scanned in Morocco."
The spokesperson said that the application process requires Moroccan nationals to "present their passport at a Visa Application Centre (VAC)" and that the tourists should "allow time for their passports to be scanned en-route to New Zealand."
"Work is underway to ensure their travel and visa processing goes as smoothly as possible," said a spokesperson.
However, INZ could not comment on the likelihood that a visa would be granted or the time it would take to process applications after passports had been scanned.
With the intended 23 of September date of travel fast approaching, the group are faced with the prospect of late cancellation fees for accommodation or gambling on their New Zealand holiday and a lengthy stay in Dubai.
The INZ says they have been in touch with NTB Travel to discuss the requirements.