Which section of the Trademark Manual covers exceptions for ITU applications?

The correct answer is found in Section 501, which specifically addresses exceptions regarding Intent-to-Use (ITU) applications. This section lays out the guidelines for applicants who file an ITU application, detailing conditions under which certain aspects of the application process might differ from standard applications. It helps applicants understand the special considerations they must account for when claiming a trademark that they haven't yet used in commerce but intend to do so in the future.

Recognizing the significance of this section is essential because ITU applications involve a unique process where the applicant does not have to demonstrate use in commerce at the time of filing, but certain legal and procedural exceptions come into play as the applicant moves toward actual usage.

The other options do not specifically deal with ITU applications or their exceptions. Section 503 is generally related to procedures for various types of filings, while Section 503.08 does not exist as an independent section in this context. Section 504 may cover different types of regulations or considerations that do not specifically target ITU applications. Therefore, understanding that Section 501 is the key resource for exceptions related to Intent-to-Use applications is crucial for applicants navigating the trademark registration process.