The external and internal oblique muscles rotate and side bend the trunk. These muscles also contribute to spinal stability. The external oblique is the most superficial muscle of the three flat abdominal muscles (the external oblique, internal oblique, and transversus abdominis).he external oblique is the most superficial muscle of the three flat abdominal muscles (the external oblique, internal oblique, and transversus abdominis).
IRS Publication 1771, Charitable ContributionsâSubstantiation and Disclosure. Requirements, explains the federal tax law for organizations, such as charities and. churches, that receive tax-deductible charitable contributions and for taxpayers who make. contributions. The IRS imposes recordkeeping and substantiation rules on donors of charitable.
FAA Response: Concur. The FAA has a project in-progress to define a single definition for the term âsubstantial maintenance,â âcritical,â and âcritical parts.â Our current review of Title 14 Code of Federal Regulations (14 CFR) has revealed another maintenance activity performance requirement.