Own the rights?
The following FAQ entries may contain spoilers. Only the biggest ones (if any) will be covered with spoiler tags. Spoiler tags have been used sparingly in order to make the page more readable.
No. Last Chance Harvey is based on a script by English film-maker Joel Hopkins, who also directed the movie.
The official website for Last Chance Harvey can be seen here.
Throughout the movie, Kate is seen reading or just carrying a paperback book. The cover shows that the author is one Anita Harmon. The title appears to be something like A Wayward Note. Since neither the author nor the book are important to the plot, they were made up for the movie rather than using a real book and then having to secure and pay for the rights.
Viewers who have noticed this reversal suggest that the reason for a suit for the wedding and a formal for the reception is because of the nature of the wedding and the reception. The wedding was a modest morning affair at which a suit was appropriate. The reception was held at the Grosvenor House, ritzy, elegant, and formal, a setting in which her tea-length dress would have been too plain.
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