The phrase "on any occasions" is correct and usable in written English. It can be used when referring to any kind of event or occasion, either singular or multiple. For example, "I always wear my best clothes on any occasions".
He seems to insist on any occasions that only states of mind or relations between states of mind have value.
Within each component we examined whether the proportions of men and women whose score indicated depression differed (1) on any occasion, (2) on only one occasion or (3) on more than one occasion.
In "Unbroken" Mr. Zamperini is No. 1 on any occasion, in any contest, facing any ordeal.
Dressing Mrs. Obama on any occasion is a windfall for a designer.
No reporters have been admitted on any occasion since a single-day group media tour, in February, 2007.
This event may take place on any occasion following the 13th birthday at which the Torah is read but generally occurs on the sabbath.
It was all the more surprising considering that she rarely consumes more than a half glass of wine on any occasion.
To beat the Seahawks on any occasion is difficult enough, but to do so in Seattle has become a famously difficult task.
From any distance, on any occasion, Django can shoot with ruthless accuracy and verve, and afterwards permits himself a grin of pleasure.
But George Brown at 79 was determined to honor a lifetime pledge to his adored late brother, Herman: Never, never on any occasion talk to an interviewer.
It is fair to say that Si Newhouse was not a big talker on any occasion, but here he was especially reserved.
Being a terminologist, I care about word choice. Ludwig simply helps me pick the best words for any translation. Five stars!
Maria Pia Montoro
Terminologist and Q/A Analyst @ Translation Centre for the Bodies of the European Union