For the purpose of preventing the entry into or flow or movement in commerce of, or the burdening of commerce by, any egg product which is capable of use as human food and is misbranded or adulterated, the Secretary shall, whenever processing operations are being conducted, cause continuous inspection to be made, in accordance with the regulations promulgated under this chapter, of the processing of egg products, in each plant processing egg products for commerce, unless exempted under section 1044 of this title. Without restricting the application of the preceding sentence to other kinds of establishments within its provisions, any food manufacturing establishment, institution, or restaurant which uses any eggs that do not meet the requirements of section 1044(a)(1) of this title in the preparation of any articles for human food shall be deemed to be a plant processing egg products, with respect to such operations.