Each plan, specification, report or other document issued by a registrant must be signed and must be sealed or stamped by him either manually or electronically. Each page of each set of plans submitted to a public authority must bear the registrant's stamp or seal, signature and date.

Registrants may not stamp work that was not prepared under their responsible control.

The board passed regulations allowing electronic sealing, signatures and dates in 2006. For more information, download "Electronic Stamping Regulations."

NAC 623.763-766 detail the use of a stamp/seal and the required contents of documents submitted to a public authority.

Specifications for Stamps/Seals

NAC 623.750 Seal for architect.

1. Each architect shall obtain and possess an embossed seal or a seal designed as a rubber stamp or a seal in electronic format which complies with the following specifications:
   1. The overall diameter of the seal must be approximately 1 7/8 inches.
   2. The seal must contain the name of the registrant, his number of registration and conform to the following design:
   
2. Each plan, specification, report or other document issued by a registrant must be signed and must be sealed or stamped by him either manually or electronically.

NAC 623.755 Seal for interior designer.

1. Each registered interior designer shall obtain and possess an embossed seal, a seal designed as a rubber stamp or a seal in electronic format which must:
   1. Be an equilateral triangle, each side of which must be 2 1/2 inches;
   2. Contain the name of the registrant and his number of registration; and
   3. Conform to the following design:
   
2. Each plan, specification, report or other document issued by a registrant must be signed and must be sealed or stamped by him either manually or electronically.

NAC 623.760 Seal for residential designer.

1. Each residential designer shall obtain and possess an embossed seal, a seal designed as a rubber stamp or a seal in electronic format that complies with the following specifications:
   1. The seal must be 1 1/4 by 3 inches.
   2. The seal must contain the name of the registrant, his number of registration and conform to the following design:
   
2. Each plan, specification, report or other document issued by a registrant must be signed and must be sealed or stamped by him either manually or electronically.